<wob_jonas> learn can\'t is the most frequent word whose pronunciation varies between /\xc9\x91\xcb\x90/ and /\xc3\xa6/ depending on dialect. A list is: advance, advantage, after, answer, ask, aunt, branch, can\'t, cast, chance, class, craft, command, contrast, dance, demand, disaster, draft, enhance, example, fast, glass, glance, grant, graph, grass, half, last, laugh, mask, maste

#!/usr/bin/perl
$c=unpack"C",$ARGV[0];print+($c&1?"H":"h"),"ello",($c&2?"":","),($c&4?" W":" w"),"orld",($c&16?$c&8?",":"!":$c&8?".":""),($c&32?"":"\n");