-hou a-ha a-wa aaaa aaab aaac aaah aaar aaba aabb aabc aabh aabw aaca aacb aacc aach aaco aacr aacu aaha aaoo aaow aara aarc aaro aaru aauw aaww abaa abab abac abar abau abaw abb- abba abbb abbo abbr abca abcb abcc abch abcr abcw abha abho abhr aboa abob aboh aboo abor abou abow abra abrc abro abua abwa abwh abwr abwu acaa acab acac acar acba acca accc acch acco accu acha achh acho achr achu acoa acoh acor acou acow acr- acra acrc acro acrr acu- acuo acur acwa acww ahab ahac ahah ahar ahau ahha ahoa ahor ahra ahrc ahrr ahua ahwa aoah aoba aoca aora aorb arab arac arah arar arau araw arba arbh arc- arca arch arco arh- aroa arob aroo aror arow arr- arra arrc arrh arro arrr arru arua arub arwa auaa auca auch aur- aura auro auwa awac awar awho awoo awow awro awwa baaa baah baar baba babb babo babr babu bac- baca bacc bach baco baha baho bahr bahu baoh bar- bara barb barc barh baro barr baru bau- baur baw- bawu bbau bbbb bbch bbrc bbwc bbwr bcaa bcar bcbc bcca bccc bcor bcra bcru bcuc bhao bhar bhca bhcc bhor bhra bhur bhuu boab boac boar boba bobb bobo bobu bobw boca boch boco bocu boha boho bohr bohu bohw boob booc booh boor boow bor- bora borh boro borr boru borw boua bouh bour bouw bowa bowr brab brac brah brao brau braw brca brcb brcw broa brob broc broh broo bror brou brow brrr bruc bruh buar buba bubb bubo bubu buca bucc buch buco bucu buha buho buhr bur- bura burb burh buro burr buru buwa bwaa bwoc c-bo caaa caab caac caah caba cabo cabu cac- caca cacc cach caco cacr cacw caha caor cara carb carc caro carr cauc cauo cawu cbac cbar cbbc cbca cbcc cbcr cbcu cbha cbrh cbwa ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccu ccha cchr ccob ccoc ccow ccra ccrc ccuc chaa chab chac chah chao char chau chaw chca chch chha choc choh choo chor chou chow chra chrb chrc chro chrr chrw chua chub chur chwo coba cobb cobh cobo cobu coca coch coco cocu coha coho coob cooh cor- cora corb corc coro corr coua coub cour cowh crab crac crar crau craw crbc crbu crca crcc crcr crob croc croh croo cror crow crub cuau cub- cuba cubb cuca cucc cura curb curo curr cwac cwrw haab haar haba habo habu haco haha haho haor hara harc harh haro harr haru hau- hawa hawc hbar hboc hcaw hcbc hcca hccb hccc hcch hhaa hhhh hoac hoar hoba hobo hoca hoch hocr hoha hoho hoor hora horc horo horr horw hour houw howa howh howr hrac hrob hrrc huac huah huba hubb hubo huch hucu huhu huor hura huro hurr huru huub oaau oahu oara obba obbo obor obra obrh obro obuh ocab ocac ocbc occa occc ocha ocra ocro ocrr ocur ohau ohaw ohba ohcc ohho ohob ohoh ohow ohra ooaa ooba oocr ooha ooho oooh oooo oora orab orac orah orao orar orba orbb orbo orbu orca orch orco oro- oror orra orro orub orwa orwo ouac oucc ouch our- oura ouro ouu- owar owch owoh owow owur owwa raab raba rabb rabo rabu rac- raca racc rach raco racu raha rahr rahu raob raoc raoh rara rarb raro raua raub rauc rawa rawr rawu raww rbbb rbbr rboh rcac rcbc rcbo rccb rccc rchb rhau rhaw rhoa rhob rhoc rhoh roab roar rob- roba robb robo robu roca rocc roch roco roha rohr rohu roob roor rora rorc roro roru roua roub rouh rowa rowb rowh rowr roww rrah rrrr ruah ruba rubb rubu ruca ruch ruhh ruhr rura rurc ruro ruru ruwa rwch uabc uaca uaoc uarc uaru uaua ubac ubar ubba ubbo uboc ubra ucar ucbc ucca ucha ucho ucrc ucua uhoh uhuh uocc uor- urac urao urau urba urca urch urho uro- uroa uroo urra urrh urur urwa uuoc uuuu waaa waac waah waao waar waaw waba wabb wabc wabh wabo wabr wabw waca wacb wacc wach waco waha wahb wahr wahu waob waoc waoh waoo waor waow war- wara warb warc warh waro warr waru warw waub wauc wauh waur wawa wawb wawc wawo wbaa wbab wbac wbar wbau wbbb wbbo wbbr wbbw wbca wbcb wbch wbco wbcr wbcu wbcw wbha wbhb wbhc wbhh wbhr wbhu wbhw wbob wboc wbor wbow wbrb wbrc wbrh wbrr wbru wbrw wbuc wbuw wbwb wbwc wbwo wcab wcao wcar wcau wcba wcbc wcbh wcbr wcbu wcbw wcca wccb wccc wcch wcco wccr wccu wccw wcha wchb wchc wcho wchr wcoa wcob wcoc wcoh wcoo wcor wcou wcra wcrb wcrc wcrh wcro wcrr wcru wcrw wcua wcub wcur wcuw wcwa wcwb wcwc whaa whab whac whar whau whaw whbb whbc whbo whbr whbu whca whcb whcc whco whcr whcu whhb whhh whho whhr whhw whoa whoo whor whou whow whr- whrb whrc whrh whro whru whrw whub whuc whur whwa whwb whwc whwh woaa woab woah woar woba wobb wobc wobo woca wocb wocc woch woco wocr wocu woha wohc woob wooc woow wora worb worc woro worr worw woub wouc wour wouw wowb wowc wowo woww wraa wrab wrac wrah wrao wrar wrau wraw wrba wrbb wrbc wrbh wrbo wrbu wrbw wrca wrcb wrch wrco wrcr wrcw wrha wrhc wrho wrhu wroa wrob wroc wroo wrow wrra wrrb wrrc wrrh wrro wrrw wrua wrub wruc wrwa wrwb wrwc wrwh wrwr wuab wuaw wuba wubb wubr wubu wuch wuco wucw wuhu wur- wura wurb wurc wuub wuuu wuwa wwab wwac wwba wwbb wwbc wwbr wwbu wwca wwcb wwch wwco wwcr wwcu wwcw wwhb wwho wwhr wwor wwow wwra wwrb wwrc wwrr wwru wwrw wwuh wwwa wwwc wwwh wwwr wwww