custom, most, must, mast, cost, oust, rail, trail, mail, sail, tail,
cast, mast, rust, lust, tram, cram, story, costly, army, sailor,
rout, crust, crusty, musty, mustily, storm, stoat, stormy, stormily,
lout, lousy, alms, stair, airy, lost, last, moral,clay, tray, stay,
clam, malt, molt,