java Grep "abo" /usr/dict/words ... sabotage seaboard taboo thereabouts turnabout vagabond whereabout ... java Grep "^abo" /usr/dict/words aboard abode abolish abolition abominable abominate aboriginal java Grep bent /usr/dict/words absorbent bent benthic debenture incumbent recumbent java Grep "bent$" /usr/dict/words absorbent bent incumbent recumbent java Grep "[^AEIOUYaeiouy]{5,}" /usr/dict/words angstrom Armstrong birthplace bremsstrahlung corkscrew Dijkstra downstream hardscrabble jockstrap Knightsbridge lengthly Nietzsche nightclub offspring postscript Rothschild ... java Grep "(.)(.)(.)\3\2\1" /usr/dict/words braggart Brenner collocation diffident dissident glossolalia grammar grammarian installation staccato suffuse