a-a a-b a-c aaa aab aac aad aah aao aau ab- aba abb abc abd abh abo abu ac- aca acb acc acd ach aco acu ad- ada adb adc add adh ado adu aha ahb ahc ahd ahh aho ahu aoa aob aoc aod aoh aoo aou au- aua aub auc aud auh auo b-u baa bab bac bad bah bao bau bba bbb bbc bbd bbh bbo bbu bca bcb bcc bcd bch bco bcu bda bdb bdc bdd bdh bdo bdu bha bhb bhc bhd bhh bho bhu boa bob boc bod boh boo bou bua bub buc bud buh buo buu c-- caa cab cac cad cah cao cau cba cbb cbc cbd cbh cbo cbu cca ccb ccc ccd cch cco ccu cda cdb cdc cdd cdh cdo cdu ch- cha chb chc chd chh cho chu co- coa cob coc cod coh coo cou cua cub cuc cud cuh cuo cuu daa dab dac dad dah dao dau dba dbb dbc dbd dbh dbo dbu dca dcb dcc dcd dco dcu dda ddb ddc ddd ddh ddo ddu dh- dha dhb dhc dhd dhh dho dhu doa dob doc dod doh doo dou dua dub duc dud duh duo haa hab hac had hah hao hau hba hbb hbc hbd hbh hbo hbu hca hcb hcc hcd hch hco hda hdb hdc hdd hdh hdo hdu hha hhb hhc hhd hhh hho hhu hoa hob hoc hod hoh hoo hou hua hub huc hud huh huo huu oaa oab oac oad oah oao oau ob- oba obb obc obd obh obo obu oc- oca ocb occ ocd och oco ocu oda odb odc odd odh odo odu oha ohc ohd ohh oho ohu oo- ooa oob ooc ood ooh ooo ou- oua ouc oud ouh ouo ua- uaa uab uac uad uah uao uau uba ubb ubc ubh ubo ubu uca ucb ucc ucd uch uco ucu uda udb udc udd udo udu uha uhb uhc uhd uhh uho uhu uoa uob uoc uod uoo uua uuc uuu

-hou a-do a-ha aaaa aaab aaac aaad aaah aaba aabb aabc aabd aabh aaca aacb aacc aacd aach aaco aacu aada aadc aadu aaha aaoo abaa abab abac abad abau abb- abba abbb abbo abca abcb abcc abcd abch abda abdo abdu abha abho aboa abob abod aboh aboo abou abua abud acaa acab acac acad acba acca accc accd acch acco accu acda acdb acdc acha achh acho achu acoa acod acoh acou acu- acuo adaa adab adac adad adah adao adba adbc adcc adda addc addd addo addu adha adhd adho adhu adob adoc adod adoo adua adub ahab ahac ahad ahah ahau ahha ahoa ahod ahua aoah aoba aoca aodh auaa auca auch audc audh audo baaa baad baah baba babb babo babu bac- baca bacc bach baco bada badb badd badh bado badu baha baho bahu baoh bau- baud bbad bbau bbbb bbch bbdd bbdo bcaa bcbc bcca bccc bcda bchd bcuc bdbc bddc bddh bhao bhca bhcc bhuu boab boac boad boba bobb bobo bobu boca boch boco bocu boda bodb bodh bodo bodu boha bohd boho bohu boob booc bood booh boua boud bouh buad buba bubb bubo bubu buca bucc buch buco bucu buda budb budd budo budu buha buho c-bo c-cd caaa caab caac caah caba cabo cabu cac- caca cacc cach caco cada cadc cadd cado cadu caha caod cauc cauo cbac cbbc cbca cbcc cbcu cbdb cbdc cbdo cbha ccaa ccab ccac ccad ccba ccbc ccca cccb cccc cccu ccdc ccdh ccha ccob ccoc ccod ccuc cdaa cdac cdad cdba cdda cddb chaa chab chac chad chah chao chau chca chch chha choc chod choh choo chou chua chub chud coad coba cobb cobh cobo cobu coca coch coco cocu coda codd coha coho coob cood cooh coua coub coud cuau cub- cuba cubb cuca cucc cuda d-bo daab daad daau daba dabb dabo dabu daca dada dado dadu daha dahu daou daub daud dbcc dcbc dcca dccb dccc dccu dcdb dddd ddoc ddub dhaa dhad dhao dhau dhod doab doba dobb dobu doca doch doco docu dod- doda dodd dodo doha dohc doob dood doub douc doud duaa duab duad duah dub- duba dubb dubc dubh dubu duca duch duco duda dudd dudo dudu duha duhu duo- haab haad haba habo habu haco hada hadh hadu haha haho hau- haud hbcd hboc hcbc hcca hccb hccc hcch hdca hdda hdoc hdod hhaa hhhh hoac hoad hoba hobo hoca hoch hoda hodh hoha hoho hood houd huac huah huba hubb hubo huch hucu huda hudd hudo hudu huhu huub oaau oahu obad obba obbo obuh ocab ocac ocad ocbc occa occc ocha odac odah odbo odda oddd odoh odoo odou ohad ohau ohba ohcc ohho ohob ohoh ooaa ooba ooda ooha ooho oooh oooo ouac ouad oucc ouch oudc oudh ouu- uabc uaca uaoc uaua ubac ubba ubbo uboc ubod ubud ucad ucbc ucca ucdc ucdd ucha ucho ucua udaa udad udau udbc udca udoh udoo uh-d uhoh uhuh uocc uuoc uuuu

-aaa- -abad aaaah aaadc aaaoc aabaa aabba aacbc aadac aahaa abaab ababa ababu abaca abaco abada abbac abbad abbod abbou abbud abccc abcdb abcho aboab aboad abobo abodh aboha abood aboud abuda acaca acacb acaua accad accho accub achab achao achau achdu achoo achua acoda acou- acoua acouo acuba adaba adada adado adaou addah addha adhhd adhoc adobo adodb adoub aduba ahhaa ahhha ahoah aouda aubad aucha audad babau babdo baboo babou bacab bacao bacca bacco bacha bacu badao badco baddo badha badoc badod badoo badou bahad bahau bahco bahua baobh baubo bauch baudh bhada bhado bhadu bhoda bhood bo-bo bo-ho boaco boada bobac boboc bocac bocao bocca bocha bocho bocoa bodd- bodoc booba booch booco boodh bouba bouca bouch bouda boudh boudu buada bubba bucca bucco bucha bucho buchu budac budah budca budda buddh buddu budha budoc buoch buoho c-a-c ca-ca caaba cabob caboc cabod cacao cacau cacha caco- cacoa cacu cadac caddo