a-do a-wa aaaa aaab aaad aaar aaba aabb aabd aabt aabw aada aadt aaoo aaow aara aard aaro aart aata aatt aatw aawt aaww abaa abab abad abar abat abaw abb- abba abbb abbo abbr abbt abda abdo aboa abob abod aboo abor abot abow abra abro abta abwa abwr adaa adab adad adao adar adat adaw adba adda addd addo addr adob adod adoo ador adot adra adro adta adwa aoba aora aorb aort aotd aowd arab arad arar arat araw arba arda ardo aroa arob arod aroo aror arow arr- arra arro arrr arrt arta arto artr arwa at-t ataa atab atad atar atat atdt atob atod ator atot atra atro atta atto attr atwa atwo atwt awad awar awoo awow awro awwa baaa baad baar baat baba babb babo babr bada badb badd bado badr bar- bara barb bard baro barr bart bata bato batt baw- bawd bbad bbbb bbdd bbdo bbwr bd-r boab boad boar boat boba bobb bobo bobw boda bodb bodo boob bood boor boot boow bor- bora bord boro borr bort borw bota botb botd boto bott botw bowa bowd bowr bowt brab brad brao brat braw brda brdo brdt broa brob brod broo bror brot brow brrr btaa btdt btob btor btrt bttb btwo bwaa d-bo daab daad daar daba dabb dabo dabt dada dado dara darb dard daro darr dart data dato datr datt dawa dawd dawo dawr dawt dbar dbtt dddd ddot doab doar doat doba dobb dod- doda dodd dodo doob dood door doot dora dord doro dorr dort dota dotd doto dott dowa dowb dowd dowr dowt draa drab drad drar drat draw drba drda drob drod drot drow drra dtaa dtor dtot dwad dwar dwbr dwdd dwor dwrd dwrt dwrw dwww oara obad obba obbo obdt obor obot obra obro obtd odbo odda oddd odoo odor odot odra ooaa ooba ooda oooo oora oord oort ootb ootw orab orad orao orar orat orba orbb orbo orda ordo oro- oror orot orra orro orta orto orwa orwo otar otbd oto- otoo otor otow otra otro otta otto otwo owar owda owow owt- owtt owwa raab raad raat raba rabb rabo rada radd rado radr radt raob rara rarb raro rata rato ratt rawa rawr raww rbbb rbbr roab road roar roat rob- roba robb robo robt roda rodd rodo rodw roob rood roor root rora roro rort rota roto rotr rott rowa rowb rowd rowr rowt roww rrad rrat rrrr rtdt taa- taar taat taba tabb tabo tada tado taoa taor tara tarb tard taro tarr tart tata tatb tato tatr tatt tawa tawd tawo tawt taww tbar tbrb tbta tddb tdor tdra toab toad toat toaw toba tobo tobt toda todd todo todt tooa tood toor toot tora tord toro torr tort tota totd toto totr tott towa traa trab trad trao trat traw troa trod troo trot trow trra trtr ttab ttbb tttt twat twbt twdt two- twoa twob twod twoo twot waaa waad waao waar waat waaw waba wabb wabd wabo wabr wabt wabw wada wadb wadd wado wadr wadt waob waoo waor waow war- wara warb ward waro warr wart warw wata watb watd wato watr watt watw wawa wawb wawd wawo wawt wbaa wbab wbad wbar wbat wbbb wbbd wbbo wbbr wbbt wbbw wbdr wbdt wbob wbor wbow wbrb wbrd wbrr wbrt wbrw wbta wbto wbtr wbtt wbtw wbwb wbwo wbwt wdab wdad wdao wdba wdbd wdbo wdbr wdbt wddd wddo wddw wdod wdor wdow wdrb wdrr wdrt wdtb wdtr wdtw wdwd wdwr woaa woab woad woar woat woba wobb wobo wobt woda wodb wodd wodt woob wood woot woow wora worb word woro worr wort worw wotb wotr wott wotw wowb wowo wowt woww wraa wrab wrad wrao wrar wrat wraw wrba wrbb wrbo wrbt wrbw wrda wrdb wrdd wrdo wrdr wrdt wrdw wroa wrob wrod wroo wrot wrow wrra wrrb wrrd wrro wrrw wrta wrtb wrto wrtr wrtw wrwa wrwb wrwd wrwr wtab wtad wtar wtaw wtbb wtbo wtbr wtda wtdr wtob wtod wtor wtot wtow wtrb wtro wtrt wtrw wtta wttb wtto wttr wttt wttw wtwa wtwb wtwo wtwr wtwt wtww wwab wwba wwbb wwbd wwbr wwbt wwdb wwdr wwdw wwod wwor wwot wwow wwra wwrb wwrd wwrr wwrw wwta wwtd wwtr wwtw wwwa wwwr wwww