3 letters:
bin, din, fin, gin, gyn, in., inn, jin, kin, lin, lyn, min, pin, qin, sin, syn, tin, vin, win, yin

4 letters:
adin, akin, been, bihn, binn, brin, bryn, chin, dinh, finn, ginn, glyn, grin, guin, gwin, gwyn, hinn, kihn, kinn, knin, linh, linn, lwin, lynn, mihn, minh, pinn, qian, quin, rhin, rihn, rinn, shin, sinn, skin, spin, thin, twin, when, winn, wynn, zinn, zlin

5 letters:
a-lin, allin, alpin, altin, askin, aslin, astin, aswin, atkin, auxin, begin, blinn, brinn, brynn, chinh, chinn, clin-, dahin, daqin, dimin, djinn, elkin, emlyn, eosin, ervin, erwin, eskin, finne, flinn, flynn, glinn, glynn, grinn, guinn, guqin, gwinn, gwynn, gynne, h.261, hagin, heqin, huqin, itkin, j-min, kamin, katyn, kinne, kopin, lalin, levin, linne, lipin, lisne, lynne, m16a1, mclin, minne, nawin, pinne, quin-, quinn, repin, rhin-, ricin, rinne, schin, shinn, simin, sinne, sosin, stryn, tiyin, trinh, vf-61, visne, winne, wisin, wynne, yalin

6 letters:
actin-, add-in, all-in, amylin, anakin, astrin, aylwin, bauhin, bed-in, beginn, bergin, berlin, boleyn, buy-in, cut-in, dandin, daoyin, die-in, distin, doujin, douyin, echin-, eldwin, fan-in, fly-in, gaz-61, gewinn, glynne, gwynne, herein, husayn, jolynn, log-in, mcginn, mclinn, mcminn, meprin, myojin, nandin, no-win, ob-gyn, oflynn, oguinn, opt-in, penryn, phryne, pinyin, poleyn, pop-in, preqin, prynne, puffin, put-in, r136a1, run-in, sandin, serein, set-in, sit-in, solwin, spinne, sts-61, tap-in, tie-in, tintin, tip-in, toe-in, towbin, ufo361, unsinn, v-twin, vanryn, verein, violin, within, witkin, yazmin, yueqin

7 letters:
aerolin, al-jinn, allphin, alperin, aneurin, arcsinh, ash-bin, bedouin, blow-in, bongjin, botulin, builtin, burn-in, bushkin, butyrin, call-in, canakin, carolin, carryin, catskin, cave-in, cgi-bin, chagrin, chi-lin, crocein, dechine, dial-in, doeskin, dogskin, drabkin, drop-in, duckpin, dvalinn, ecgwynn, equilin, ergotin, etherin, eucalyn, fade-in, fill-in, fuchsin, glavine, gokenin, goodkin, goodwyn, grandin, guanyin, hamelin, hengqin, hogskin, indolin, jacelyn, jarocin, jocelin, jocelyn, josleyn, kaylynn, kidskin, kingpin, kuji-in, laminne, lead-in, live-in, lock-in, look-in, love-in, manakin, mcglinn, mcglynn, mcguinn, mcquinn, medecin, myricin, not kin, o'flynn, o'guinn, o'quinn, orrorin, penrhyn, pigskin, plug-in, prandin, pull-in, push-in, qjs-161, ring-in, schwinn, sell-in, shaolin, shoe-in, shokhin, shoo-in, shut-in, sin-bin, snap-in, southin, step-in, svalinn, swithin, take-in, tallinn, tamaryn, therein, toi-561, tuck-in, turn-in, unitrin, verduin, walk-in, wherein, win-win, work-in, xanthin, yan-bin, yangqin

8 letters:
aiglefin, bogeymen, boxed-in, boydekin, break-in, brodekin, buckskin, built-in, carry-in, catechin, check-in, chinchin, chongjin, chungjin, close-in, clued-in, crooklyn, daimajin, deerskin, drive-in, dust-bin, fellahin, foreskin, frogskin, has-been, has been, hyun bin, jellyfin, jiangyin, joceline, jocelyne, joycelyn, kneeskin, kuan yin, kwan-yin, like sin, linchpin, lived-in, lying-in, mandolin, manurhin, medecine, mousekin, overspin, phase-in, phone-in, quids-in, rosalynn, scriabin, skryabin, sleep-in, sloe gin, stand-in, stickpin, sts-61-e, sysadmin, tailspin, tail fin, taker-in, teach-in, throw-in, trade-in, underpin, vietminh, villakin, wahnsinn, waitzkin, weigh-in, wildasin, wineskin, write-in

9 letters:
antiauxin, bobby pin, boogeymen, bread-bin, broken-in, dachrinne, dowel pin, duxianqin, flour bin, gantrisin, have been, in-and-in, locked-in, loony-bin, loony bin, lyings-in, mandoline, motor inn, parts bin, porphyrin, sharkskin, sheepskin, sinapisin, snakeskin, thickskin, tolbukhin, trash bin, tsaritsyn, underspin, wear thin, wheelspin, wrist pin

10 letters:
actual sin, al-mada'in, aphex twin, caudal fin, chang-hsin, cosmic sin, cotter pin, cotton gin, cristallin, crystallin, deadly sin, dierentuin, dorsal fin, erythrocin, esther qin, firing pin, glassed-in, goose skin, justin lin, kyoung-min, mortal sin, narcissine, pay-to-win, pelvic fin, plugged-in, portakabin, rooming-in, safety pin, strapontin, subtilisin, swivel pin, telerythin, thick skin, tieguanyin, tributyrin, water skin, whipper-in

11 letters:
adelsverein, aidan quinn, al-musta'in, animal skin, bathtub gin, bowling pin, caravan inn, cephalothin, chikurin-in, clothes pin, drawing pin, foreverspin, gudgeon pin, holland gin, jeon so-min, julia quinn, jung hae-in, jung so-min, kim woo-bin, kissing kin, mary boleyn, moon jae-in, next of kin, potato skin, prodigiosin, qazcovid-in, rolling pin, roughing-in, scatter pin, skittle pin, swearing-in, tributyltin, tyrothricin, ventral fin, west berlin

12 letters:
han hyun-min, keratohyalin, light within, martha quinn, namkoong min, original sin, pectoral fin, pyrocatechin, pyrrolnitrin, siamese twin, solzhenitsyn, straight pin, uroporphyrin, vertical fin, wang chi-lin

13 letters:
carbolfuchsin, christ within, gillian flynn, horned puffin, jeon yeo-been, michael flynn, son heung-min, tufted puffin

14 letters:
babylon berlin, conjoined twin, coproporphyrin, ferriporphyrin, greville wynne, identical twin, protoporphyrin, streptovaricin

15 letters:
artificial skin, atlantic puffin, hematoporphyrin, marchand de vin, matrilineal kin, might-have-been, patrilineal kin, the evil within

16 letters:
battle of berlin, haematoporphyrin, hematocrystallin, heterocercal fin, huckleberry finn, metalloporphyrin, remission of sin

17 letters:
haematocrystallin, murder of jun lin

18 letters:
eysturoyartunnilin

19 letters:
disease of the skin, take it on the chin

21 letters:
jasmine camacho-quinn

24 letters:
the adventures of tintin

26 letters:
alaska airlines flight 261

27 letters:
once upon a time in shaolin