-wal a-wa aaaa aaab aaal aaba aabb aabl aabt aabw aala aall aalo aaoo aaow aata aatt aatw aawt aaww abaa abab abal abat abaw abb- abba abbb abbo abbt abla ablo aboa abob abol aboo abot abow abta abwa alaa alal alao alat alaw alb- alba albo all- alla alll allo aloa alol aloo alot alow alta alto aoba aola at-l at-t ataa atab atal atat atla atlo atob atol atot atta atto atwa atwo atwt awal awol awoo awow awwa baaa baal baat baba babb babo bala ball balo balt baol bata bato batt baw- bawl bbbb bblb blaa blab blat blaw blbt blob bloo blot blow blw- boab boal boat boba bobb bobo bobw bola boll bolo bolt boob bool boot boow bota botb boto bott botw bowa bowl bowt btaa btla btob bttb btwo bwaa laaa laal laat laba labo lala lall lalo lata lato latt lawa lawl lawo llao llat llll lloa lloo loat lob- loba lobb lobo lola loll lolo loob lool loot lota lotl loto lott lowa lowb lowl lowt loww ltbl ltwa lwbt lwoo lwow oall obal obba obbo obla obol obot olat olba olbo olla ollo olot olta ooaa ooba oola oolo oooo ootb ootw oto- otoo otow otta otto otwo owlt owow owt- owtt owwa taa- taal taat taba tabb tabl tabo tala tall talo taoa tata tatb tato tatt tawa tawo tawt taww tbta toab toal toat toaw toba tobo tobt tol- tola toll tolo tolt tooa tool toot tota toto tott towa towl ttab ttbb tttt twal twat twbt two- twoa twob twol twoo twot waaa waal waao waat waaw waba wabb wabl wabo wabt wabw wala walb wall walo walt waob waol waoo waow wata watb watl wato watt watw wawa wawb wawl wawo wawt wbaa wbab wbal wbat wbbb wbbl wbbo wbbt wbbw wblb wbll wblo wblt wblw wbob wbol wbow wbta wbto wbtt wbtw wbwb wbwl wbwo wbwt wlaa wlab wlat wlaw wlbb wlbl wlbt wlbw wlla wlll wllt wllw wloa wlob wlol wloo wlta wltb wltl wlto wltt wltw wlwl wlwt woaa woab woat woba wobb wobl wobo wobt wola wolb woll wolt wolw woob wool woot woow wotb wotl wott wotw wowb wowl wowo wowt woww wtab wtal wtaw wtbb wtbo wtla wtlo wtlw wtob wtol wtot wtow wtta wttb wttl wtto wttt wttw wtwa wtwb wtwo wtwt wtww wwab wwba wwbb wwbl wwbt wwlb wwll wwlw wwol wwot wwow wwta wwtw wwwa wwwl wwww