a-ha aaaa aaab aaah aaba aabb aabh aabt aaha aahz aaoo aata aatt abaa abab abat abb- abba abbb abbo abbt abha abho aboa abob aboh aboo abot abta abza ahab ahah ahat ahaz ahha ahoa ahot ahta ahto aoah aoba at-t ataa atab atat atha atho atob atot atoz atta atto aza- azab azat azaz azo- azoo azot azza azzo baaa baah baat baaz baba babb babo baha baho baht baoh bata bath bato batt batz baza bazo bbbb bhao bhat bhot boab boat boaz boba bobb bobo boha boho boht boob booh boot booz bota botb both boto bott boza bozo btaa btob bttb bzzt bzzz haab haat haba habo habt haha haho haht hata hatb hath hato hatt hatz haza hhaa hhat hhhh hoat hoba hobo hoha hoho hoot hota hotb hoth hoto hott hotz hozo htab htoh oath obba obbo obot ohba ohho ohob ohoh ohta ohto ooaa ooba ooha ooho oooh oooo ootb otha otho oto- otoh otoo otta otto taa- taat taba tabb tabo taha taho taoa tata tatb tath tato tatt tatz taza tazo tazz tbta thaa thao that thoo thot thtb toab toat toba tobo tobt toho tooa tooh toot tota toth toto tott toza tozo ttab ttbb tttt tzzt zaat zaba zabo zaha zaho zaza zhao zhoa zhob zoat zobo zoo- zoot zota zott zotz zoza zozo ztoa zzhz zzzz