a-ha a-wa aaaa aaab aaah aaba aabb aabh aabt aabw aaha aaoo aaow aata aatt aatw aawt aaww abaa abab abat abaw abb- abba abbb abbo abbt abha abho aboa abob aboh aboo abot abow abta abwa abwh ahab ahah ahat ahha ahoa ahot ahta ahto ahwa aoah aoba at-t ataa atab atat atha atho atob atot atta atto atwa atwo atwt awho awoo awow awwa baaa baah baat baba babb babo baha baho baht baoh bata bath bato batt baw- bbbb bhao bhat bhot boab boat boba bobb bobo bobw boha boho boht bohw boob booh boot boow bota botb both boto bott botw bowa bowt btaa btob bttb btwo bwaa haab haat haba habo habt haha haho haht hata hatb hath hato hatt hawa hawt hhaa hhat hhhh hoat hoba hobo hoha hoho hoot hota hotb hoth hoto hott hotw howa howh howt htab htoh oath obba obbo obot ohaw ohba ohho ohob ohoh ohow ohta ohto ooaa ooba ooha ooho oooh oooo ootb ootw otha otho oto- otoh otoo otow otta otto otwo owoh owow owt- owth owtt owwa taa- taat taba tabb tabo taha taho taoa tata tatb tath tato tatt tawa tawo tawt taww tbta thaa thao that thaw thoo thot thow thtb thwa toab toat toaw toba tobo tobt toho tooa tooh toot tota toth toto tott towa towh ttab ttbb tttt twat twbt two- twoa twob twoh twoo twot waaa waah waao waat waaw waba wabb wabh wabo wabt wabw waha wahb waht waob waoh waoo waow wata watb wath wato watt watw wawa wawb wawo wawt wbaa wbab wbat wbbb wbbo wbbt wbbw wbha wbhb wbhh wbht wbhw wbob wbow wbta wbth wbto wbtt wbtw wbwb wbwo wbwt whaa whab what whaw whbb whbo whbt whhb whhh whho whht whhw whoa whoo whot whow whta whtb whth whto whtt whwa whwb whwh woaa woab woah woat woba wobb wobo wobt woha woht woob woot woow wotb woth wott wotw wowb wowo wowt woww wtab wtaw wtbb wtbh wtbo wthb wtht wtob wtoh wtot wtow wtta wttb wtth wtto wttt wttw wtwa wtwb wtwo wtwt wtww wwab wwba wwbb wwbt wwhb wwho wwht wwot wwow wwta wwth wwtw wwwa wwwh wwww