back, backe, bak, bakke, cac, caq, dac, dack, dak, fac, hack, hacke, haq, haque, jac, jack, knack, lac, lack, lak, mac, mack, macke, mak, nack, nacke, pac, pack, paque, ptak, rack, rak, sac, sack, sak, schack, shack, shaq, tac, tack, tacke, tak, wack, whack, wrack, yack, yak, zack's, zacks, zag, zahm, zahn, zang, zank, zap, zapp, zarr, zech, zeck, zeek, zeke, zick, zike, zirk, zoch, zook, zuck, zuk, zach, zak