a-a a-b a-c aaa aab aac aad aah aak aao aau ab- aba abb abc abd abh abk abo abu ac- aca acb acc acd ach ack aco acu ad- ada adb adc add adh adk ado adu aha ahb ahc ahd ahh ahk aho ahu aka akb akc akd akh akk ako aku aoa aob aoc aod aoh aok aoo aou au- aua aub auc aud auh auk auo b-u baa bab bac bad bah bak bao bau bba bbb bbc bbd bbh bbk bbo bbu bca bcb bcc bcd bch bck bco bcu bda bdb bdc bdd bdh bdk bdo bdu bha bhb bhc bhd bhh bhk bho bhu bka bkb bkc bkk bko boa bob boc bod boh bok boo bou bua bub buc bud buh buk buo buu c-- caa cab cac cad cah cak cao cau cba cbb cbc cbd cbh cbk cbo cbu cca ccb ccc ccd cch cck cco ccu cda cdb cdc cdd cdh cdk cdo cdu ch- cha chb chc chd chh chk cho chu cka ckb ckc ckd ckh cko co- coa cob coc cod coh cok coo cou cua cub cuc cud cuh cuk cuo cuu daa dab dac dad dah dak dao dau dba dbb dbc dbd dbh dbk dbo dbu dca dcb dcc dcd dck dco dcu dda ddb ddc ddd ddh ddk ddo ddu dh- dha dhb dhc dhd dhh dhk dho dhu dka dkb dkc dkk dko dku doa dob doc dod doh dok doo dou dua dub duc dud duh duk duo haa hab hac had hah hak hao hau hba hbb hbc hbd hbh hbk hbo hbu hca hcb hcc hcd hch hck hco hda hdb hdc hdd hdh hdk hdo hdu hha hhb hhc hhd hhh hhk hho hhu hka hkb hkd hkh hkk hko hku hoa hob hoc hod hoh hok hoo hou hua hub huc hud huh huk huo huu ka- kaa kab kac kad kah kak kao kau kba kbb kbc kbd kbh kbk kbo kbu kca kcb kcc kcd kch kck kcu kda kdb kdc kdh kdk kdo kdu kha khh khk kho khu kkb kkc kkh kkk kku koa kob koc kod koh kok koo kou kub kuc kud kuh kuk kuu oaa oab oac oad oah oak oao oau ob- oba obb obc obd obh obk obo obu oc- oca ocb occ ocd och ock oco ocu oda odb odc odd odh odo odu oha ohc ohd ohh oho ohu oka okb okc okd okk oko oku oo- ooa oob ooc ood ooh ook ooo ou- oua ouc oud ouh ouk ouo ua- uaa uab uac uad uah uak uao uau uba ubb ubc ubh ubk ubo ubu uca ucb ucc ucd uch uck uco ucu uda udb udc udd udk udo udu uha uhb uhc uhd uhh uho uhu uka ukb ukc ukk uku uoa uob uoc uod uok uoo uua uuc uuu

-hou a-ak a-do a-ha a-ok aaaa aaab aaac aaad aaah aaba aabb aabc aabd aabh aaca aacb aacc aacd aach aack aaco aacu aada aadc aadu aaha aahk aaka aaku aaoo abaa abab abac abad abak abau abb- abba abbb abbo abca abcb abcc abcd abch abda abdo abdu abha abho aboa abob abod aboh abok aboo abou abua abud abuk acaa acab acac acad acba acca accc accd acch acco accu acda acdb acdc acha achh acho achu ackd acoa acod acoh acou acu- acuo adaa adab adac adad adah adak adao adba adbc adcc adda addc addd addo addu adha adhd adho adhu adob adoc adod adok adoo adua adub aduk ahab ahac ahad ahah ahau ahha ahoa ahod ahok ahua akaa akah akao akca akha akka akko akku akok akua aoah aoba aoca aodh auaa auca auch audc audh audo baaa baad baah baak baba babb babo babu bac- baca bacc bach back baco bada badb badd badh bado badu baha baho bahu bak- baka bakh bako baku baoh bau- baud bauk bbad bbau bbbb bbch bbdd bbdo bcaa bcbc bcca bccc bcda bchd bcuc bdbc bddc bddh bhao bhca bhcc bhuu boab boac boad boak boba bobb bobo bobu boca boch bock boco bocu boda bodb bodh bodo bodu boha bohd boho bohu boka boko boku boob booc bood booh book boua boud bouh bouk buad buba bubb bubo bubu buca bucc buch buck buco bucu buda budb budd budo budu buha buho buka bukh bukk buko buku c-bo c-cd caaa caab caac caah caba cabo cabu cac- caca cacc cach cack caco cada cadc cadd cado cadu caha caka caod cauc cauk cauo cbac cbbc cbca cbcc cbcu cbdb cbdc cbdo cbha cbka cbko 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 chak chao chau chca chch chha chka chkb choc chod choh chok choo chou chua chub chud chuk ckac ckbc ckch ckck ckco ckdo ckdu ckoa ckob ckoc ckoo coad coak coba cobb cobh cobo cobu coca coch cock coco cocu coda codd coha coho cok- coka coko coob cood cooh cook coua coub coud couk cuau cub- cuba cubb cuca cucc cuck cuda cuk- cuka d-bo daab daad daau daba dabb dabo dabu daca dada dado dadu daha dahu daka dako daku daou daub daud dauk dbcc dcbc dcca dccb dccc dccu dcdb dddd ddoc ddub dhaa dhad dhak dhao dhau dhod dkba dkdc doab doak doba dobb dobu doca doch dock doco docu dod- doda dodd dodo doha dohc doka doko doob dood dook doub douc doud douk duaa duab duad duah dub- duba dubb dubc dubh dubu duca duch duck duco duda dudd dudo dudu duha duhu duka duku duo- haab haad haak haba habo habu hack haco hada hadh hadu haha haho haka hakk hako haku hau- haud hbcd hboc hcbc hcca hccb hccc hcch hdbk hdca hdda hdoc hdod hhaa hhhh hkbu hkcc hoac hoad hoba hobo hoca hoch hock