-hou a-do a-ha aaaa aaab aaac aaad aaah aaba aabb aabc aabd aabh aabt aaca aacb aacc aacd aach aaco aact aacu aada aadc aadt aadu aaha aaoo aata aatc aatt abaa abab abac abad abat abau abb- abba abbb abbo abbt abca abcb abcc abcd abch abct abda abdo abdu abha abho aboa abob abod aboh aboo abot abou abta abtu abua abud abut ac-t acaa acab acac acad acat acba acca accc accd acch acco acct accu acda acdb acdc acdt acha achh acho acht achu acoa acod acoh acot acou acta actc acth acto actt actu acu- acuo acut adaa adab adac adad adah adao adat adba adbc adcc adda addc addd addo addu adha adhd adho adhu adob adoc adod adoo adot adta adua adub ahab ahac ahad ahah ahat ahau ahha ahoa ahod ahot ahta ahto ahua aoah aoba aoca aodh aotc aotd aout at-t ataa atab atac atad atat atca atcc atch atco atdt atha atho atob atoc atod atot atta atto attu atua atub atuc auaa auca auch auct audc audh audo auht aut- auth auto baaa baad baah baat baba babb babo babu bac- baca bacc bach baco bact bada badb badd badh bado badu baha baho baht bahu baoh bata batc bath bato batt batu bau- baud bbad bbau bbbb bbch bbdd bbdo bcaa bcat bcbc bcca bccc bcda bchd bctc bcuc bdbc bddc bddh bhao bhat bhca bhcc bhot bhut bhuu boab boac boad boat boba bobb bobo bobu boca boch boco bocu boda bodb bodh bodo bodu boha bohd boho boht bohu boob booc bood booh boot bota botb botd both boto bott boua boud bouh bout btaa btcc btdt btob bttb buad buat buba bubb bubo bubu buca bucc buch buco bucu buda budb budd budo budu buha buho but- buta buto butt c-bo c-cd caaa caab caac caah caat caba cabo cabu cac- caca cacc cach caco cada cadc cadd cado cadu caha caht caod cat- cata catb catc catd cath cato catt catu cauc cauo caut cbac cbat cbbc cbca cbcc cbct cbcu cbdb cbdc cbdo cbha cbot cbta cbtc ccaa ccab ccac ccad ccat ccba ccbc ccca cccb cccc cccu ccdc ccdh ccha ccob ccoc ccod cctb cctc cctt ccuc ccut cdaa cdac cdad cdba cdda cddb cdot chaa chab chac chad chah chao chat chau chca chch chha choc chod choh choo chou chto chtt chua chub chud chut coad coat coba cobb cobh cobo cobu coca coch coco coct cocu coda codd coha coho coob cood cooh coot cota cotb cotc coth coto cott cotu coua coub coud cout ctab ctba ctca ctot ctta cuau cub- cuba cubb cuca cucc cuda cut- cuta cutc cuth cuto cutt d-bo daab daad daau daba dabb dabo dabt dabu daca dact dada dado dadu daha dahu daou data dato datt datu daub daud daut dbcc dbtt dcbc dcca dccb dccc dcct dccu dcdb dctc dddd ddoc ddot ddub dhaa dhad dhao dhat dhau dhod doab doat doba dobb dobu doca doch doco doct docu dod- doda dodd dodo doha dohc doob dood doot dota dotd doth doto dott doub douc doud dout dtaa dtac dtcc dthd dtot duaa duab duad duah duat dub- duba dubb dubc dubh dubu duca duch duco duct duda dudd dudo dudu duha duhu duo- duta duut haab haad haat haba habo habt habu haco hada hadh hadu haha haho haht hata hatb hath hato hatt hatu hau- haud haut hbcd hboc hbtu hcat hcbc hcca hccb hccc hcch hdca hdda hdoc hdod hdtt hhaa hhat hhhh hoac hoad hoat hoba hobo hoca hoch hoda hodh hoha hoho hood hoot hota hotb hotd hoth hoto hott hotu houd hout htab htcc htoh huac huah huba hubb hubo huch hucu huda hudd hudo hudu huhu huot huta huth huto hutt hutu huub oaau oahu oath obad obba obbo obdt obot obtd obuh ocab ocac ocad ocat ocbc occa occc occt ocha ocht oct- octa octo odac odah odbo odda oddd odoh odoo odot odou odtu ohad ohau ohba ohcc ohho ohob ohoh ohta ohto ohtu ooaa ooba ooda ooha ooho oooh oooo ootb otac otbd otcd otha otho oto- otoh otoo otta otto ottu ouac ouad ouat oucc ouch oudc oudh out- outa outb outh outo ouu- taa- taat taba tabb tabc tabo tabu taca tacc tach taco tact tada tado taha taho tahu taoa taou tata tatb tath tato tatt tatu taua taub tauc taut tbca tbcb tbcc tbcd tbta tcad tcca tccc tccu tcdd tch- tcha tchh tcho tchu tctc tdac tddb thaa thad thao that thau thca thch thoo thot thou thtb thud toab toad toat toau toba tobo tobt tobu toca toch toco toda todd todo todt todu toho tohu tooa tood tooh toot tota totc totd toth toto tott touh tout ttab ttbb tttt tuao tuat tuba tubb tubo tubu tuca tucc tuch tuco tudu tuht tuhu tuta tuto tutt tutu tuuo uabc uaca uaoc uata uath uatu uaua ubac ubba ubbo uboc ubod ubud ucad ucat ucbc ucca ucdc ucdd ucha ucho ucua ucut udaa udad udau udbc udca udoh udoo udot uh-d uhoh uhta uhuh uocc utac utah utau utha utto uttu uuoc uuta uuuu