-hou a-do a-ha aaaa aaab aaac aaad aaah aaar aaba aabb aabc aabd aabh aaca aacb aacc aacd aach aaco aacr aacu aada aadc aadu aaha aaoo aara aarc aard aaro aaru abaa abab abac abad abar abau abb- abba abbb abbo abbr abca abcb abcc abcd abch abcr abda abdo abdu abha abho abhr aboa abob abod aboh aboo abor abou abra abrc abro abua abud acaa acab acac acad acar acba acca accc accd acch acco accu acda acdb acdc acha achh acho achr achu acoa acod acoh acor acou acr- acra acrc acro acrr acu- acuo acur adaa adab adac adad adah adao adar adba adbc adcc adda addc addd addo addr addu adha adhd adho adhu adob adoc adod adoo ador adra adro adua adub adur ahab ahac ahad ahah ahar ahau ahha ahoa ahod ahor ahra ahrc ahrr ahua aoah aoba aoca aodh aora aorb arab arac arad arah arar arau arba arbh arc- arca arch arco arda ardc ardo ardu arh- aroa arob arod aroo aror arr- arra arrc arrh arro arrr arru arua arub arud auaa auca auch audc audh audo aur- aura aurd auro baaa baad baah baar baba babb babo babr babu bac- baca bacc bach baco bada badb badd badh bado badr badu baha baho bahr bahu baoh bar- bara barb barc bard barh baro barr baru bau- baud baur bbad bbau bbbb bbch bbdd bbdo bbrc bcaa bcar bcbc bcca bccc bcda bchd bcor bcra bcru bcuc bd-r bdbc bddc bddh bhao bhar bhca bhcc bhor bhra bhur bhuu boab boac boad boar boba bobb bobo bobu boca boch boco bocu boda bodb bodh bodo bodu boha bohd boho bohr bohu boob booc bood booh boor bor- bora bord borh boro borr boru boua boud bouh bour brab brac brad brah brao brau brca brcb brda brdo broa brob broc brod broh broo bror brou brrr bruc brud bruh buad buar buba bubb bubo bubu buca bucc buch buco bucu buda budb budd budo budu buha buho buhr bur- bura burb burd burh buro burr buru c-bo c-cd caaa caab caac caah caba cabo cabu cac- caca cacc cach caco cacr cada cadc cadd cado cadr cadu caha caod caor cara carb carc card caro carr cauc cauo cbac cbar cbbc cbca cbcc cbcr cbcu cbdb cbdc cbdo cbha cbrd cbrh ccaa ccab ccac ccad ccar ccba ccbc ccca cccb cccc cccu ccdc ccdh ccdr ccha cchr ccob ccoc ccod ccra ccrc ccuc cd-r cdaa cdac cdad cdba cdda cddb cddr chaa chab chac chad chah chao char chau chca chch chha choc chod choh choo chor chou chra chrb chrc chrd chro chrr chua chub chud chur coad coba cobb cobh cobo cobu coca coch coco cocu coda codd coha coho coob cood cooh cor- cora corb corc cord coro corr coua coub coud cour crab crac crar crau crbc crbu crca crcc crcr crda crdc crob croc crod croh croo cror crub crud cuau cub- cuba cubb cuca cucc cuda cura curb curd curo curr d-bo daab daad daar daau daba dabb dabo dabu daca dada dado dadu daha dahu daou dara darb darc dard daro darr daru daub daud daur dbar dbcc dcbc dcca dccb dccc dccu dcdb dcra dddd ddoc ddrc ddub dhaa dhad dhao dhar dhau dhod dhor dhur doab doar doba dobb dobu doca doch doco docu dod- doda dodd dodo doha dohc dohr doob dood door dora dorc dord doro dorr doru doub douc doud dour draa drab drac drad drar drau drba drbc drca drda drob drod droh drou drra drua drub druu duaa duab duad duah duar dub- duba dubb dubc dubh dubu duca duch duco duda dudd dudo dudu duha duhr duhu duo- dura duro duru duur haab haad haar haba habo habu haco hada hadh hadu haha haho haor hara harc hard harh haro harr haru hau- haud hbar hbcd hboc hcbc hcca hccb hccc hcch hcdr hcrd hdca hdda hdoc hdod hdra hhaa hhhh hoac hoad hoar hoba hobo hoca hoch hocr hoda hodh hodr hoha hoho hood hoor hora horc hord horo horr houd hour hrac hrad hrdc hrob hrod hrrc hrud huac huah huba hubb hubo huch hucu huda hudd hudo hudu huhu huor hura hurd huro hurr huru huub oaau oahu oara obad obba obbo obor obra obrh obro obuh ocab ocac ocad ocbc occa occc ocha ocra ocro ocrr ocur odac odah odbo odda oddd odoh odoo odor odou odra odur ohad ohau ohba ohcc ohho ohob ohoh ohra ooaa ooba oocr ooda ooha ooho oooh oooo oora oord orab orac orad orah orao orar orba orbb orbo orbu orca orch orco orda ordo ordu oro- oror orra orro orub ouac ouad oucc ouch oudc oudh our- oura ouro ouu- raab raad raba rabb rabo rabu rac- raca racc rach raco racu rada radc radd radh rado radr radu raha rahr rahu raob raoc raoh rara rarb raro raua raub rauc raud rbbb rbbr rboh rcac rcbc rcbo rccb rccc rcdc rchb rcrd rdac rdoc rhau rhoa rhob rhoc rhod rhoh roab road roar rob- roba robb robo robu roca rocc roch roco roda rodd rodo roha rohr rohu roob rood roor rora rorc roro roru roua roub roud rouh rrad rrah rrrr ruad ruah ruba rubb rubu ruca ruch ruda rudd rudo ruhh ruhr rura rurc rurd ruro ruru ruud uabc uaca uaoc uarc uaru uaua ubac ubar ubba ubbo uboc ubod ubra ubud ucad ucar ucbc ucca ucdc ucdd ucha ucho ucrc ucua udaa udad udar udau udbc udca udoh udoo udra uh-d uhoh uhuh uocc uor- urac urad urao urau urba urca urch urda urdu urho uro- uroa uroo urra urrh urur uuoc uuuu