beth, chi, date, frank, grade, h-shaped, he, heth, l-plate, l-shaped, line, mark, mu, note, nu, nun, page, phi, pi, point, psi, quad, resh, rho, s-shape, s-shaped, sadhe, score, scrape, seal, see, sense, shin, sign, signed, sin, space, spell, staff, stiff, thrust, tilde, touch, type, v-shaped, w-shaped, write, xi, zed, zee

adjoin, aleph, alpha, assert, beta, billet, buildup, cachet, clevis, colon, cursive, daleth, dateless, delta, engrave, exile, express, format, gamma, gimel, grade point, i-beam, indent, instead, izzard, kappa, lambda, lamedh, mailbag, mailing, moving, newssheet, newsy, open, postbag, posting, postscript, purloined, purport, samekh, scrabble, sigma, sigmoid, small cap, stilted, t-shaped, tau cross, tee hinge, theta, tone down, t hinge, u-shaped, unseal, unsent, vowel, v neck, y-shaped, zayin, zeta

absently, aerogram, aerogramme, air letter, apropos, ascender, banker's check, billet doux, block letter, capital, cedilla, chain letter, chiasm, chiasma, comprehend, consonant, crank letter, decipher, descender, double-u, duplicate, enclosure, epistle, epsilon, fan letter, form letter, glowingly, inclosure, indicate, initial, iota, letterman, lipogram, love letter, majuscule, misdirect, modify, newsletter, offhanded, omega, omicron, pastoral, pillar box, polyphone, po box no, pro forma, register, round robin, rubricate, short letter, sincerely, syncopate, triplicate, unconfirmed, upper case, upsilon

acrophony, airmail letter, apology, appreciate, block capital, business letter, confusedly, cover letter, decussation, diacritic, disturbingly, encyclical, immediate, legalism, letter-perfect, literatim, offhandedly, open letter, po box number, procrastinate, qwerty keyboard, return address, salutation, scarlet letter, sincerely yours, small capital, traveler's check

ambiguously, capital letter, covering letter, investment letter, letter of intent, lettre de cachet, personal letter, st. anthony's cross, unentertaining, upper-case letter

diacritical mark, encyclical letter, polyphonic letter, post-office box number

commercial letter of credit, epistle of jeremiah, traveler's letter of credit