-th a-a a-b a-c a-t aaa aab aac aah aak aao aat aau ab- aba abb abc abh abk abo abt abu ac- aca acb acc ach ack aco act acu aha ahb ahc ahh ahk aho aht ahu aka akb akc akh akk ako aku aoa aob aoc aoh aok aoo aot aou at- ata atb atc ath ato att atu au- aua aub auc auh auk auo aut b-u baa bab bac bah bak bao bat bau bba bbb bbc bbh bbk bbo bbt bbu bca bcb bcc bch bck bco bct bcu bha bhb bhc bhh bhk bho bht bhu bka bkb bkc bkk bko bkt boa bob boc boh bok boo bot bou bta btb btc bth btk bto btt btu bua bub buc buh buk buo but buu c-- caa cab cac cah cak cao cat cau cba cbb cbc cbh cbk cbo cbt cbu cca ccb ccc cch cck cco cct ccu ch- cha chb chc chh chk cho cht chu cka ckb ckc ckh cko ckt co- coa cob coc coh cok coo cot cou cta ctb ctc cth ctk cto ctt ctu cua cub cuc cuh cuk cuo cut cuu haa hab hac hah hak hao hat hau hba hbb hbc hbh hbk hbo hbt hbu hca hcb hcc hch hck hco hct hha hhb hhc hhh hhk hho hht hhu hka hkb hkh hkk hko hkt hku hoa hob hoc hoh hok hoo hot hou hta htb htc hth htk hto htt hua hub huc huh huk huo hut huu k-t ka- kaa kab kac kah kak kao kat kau kba kbb kbc kbh kbk kbo kbu kca kcb kcc kch kck kct kcu kha khh khk kho khu kkb kkc kkh kkk kkt kku koa kob koc koh kok koo kot kou kta ktb ktc kth ktk kto ktt ktu kub kuc kuh kuk kut kuu oaa oab oac oah oak oao oat oau ob- oba obb obc obh obk obo obt obu oc- oca ocb occ och ock oco oct ocu oha ohc ohh oho oht ohu oka okb okc okk oko oku oo- ooa oob ooc ooh ook ooo oot ot- ota otb otc oth otk oto ott otu ou- oua ouc ouh ouk ouo out taa tab tac tah tak tao tat tau tba tbb tbc tbh tbk tbo tbt tbu tca tcb tcc tch tck tco tct tcu th- tha thb thc thh thk tho tht thu tka tkb tkc tkk tko tkt to- toa tob toc toh tok too tot tou tta ttb ttc tth ttk tto ttt ttu tua tub tuc tuh tuk tuo tut tuu ua- uaa uab uac uah uak uao uat uau uba ubb ubc ubh ubk ubo ubt ubu uca ucb ucc uch uck uco uct ucu uha uhb uhc uhh uho uht uhu uka ukb ukc ukk uku uoa uob uoc uok uoo uot uta utb utc uth utk uto utt utu uua uuc uut uuu

-hou a-ak a-ha a-ok aaaa aaab aaac aaah aaba aabb aabc aabh aabt aaca aacb aacc aach aack aaco aact aacu aaha aahk aaka aaku aaoo aata aatc aatk aatt abaa abab abac abak abat abau abb- abba abbb abbo abbt abca abcb abcc abch abct abha abho aboa abob aboh abok aboo abot abou abta abtu abua abuk abut ac-t acaa acab acac acat acba acca accc acch acco acct accu acha achh acho acht achu acoa acoh acot acou acta actc acth acto actt actu acu- acuo acut ahab ahac ahah ahat ahau ahha ahoa ahok ahot ahta ahto ahua akaa akah akao akca akha akka akko akku akok akot akua aoah aoba aoca aotc aout at-t ataa atab atac atak atat atca atcc atch atck atco atha atho atka atkt atob atoc atok atot atta atto attu atua atub atuc atuk auaa auca auch auct auht aut- auth auto baaa baah baak baat baba babb babo babu bac- baca bacc bach back baco bact baha baho baht bahu bak- baka bakh bako bakt baku baoh bata batc bath bato batt batu bau- bauk bbau bbbb bbch bcaa bcat bcbc bcca bccc bctc bcuc bhao bhat bhca bhcc bhot bhut bhuu boab boac boak boat boba bobb bobo bobu boca boch bock boco bocu boha boho boht bohu boka boko boku boob booc booh book boot bota botb both boto bott boua bouh bouk bout btaa btcc btob bttb buat buba bubb bubo bubu buca bucc buch buck buco bucu buha buho buka bukh bukk buko buku but- buta buto butt c-bo caaa caab caac caah caat caba cabo cabu cac- caca cacc cach cack caco caha caht caka cat- cata catb catc cath cato catt catu cauc cauk cauo caut cbac cbat cbbc cbca cbcc cbct cbcu cbha cbka cbko cbot cbta cbtc ccaa ccab ccac ccat ccba ccbc ccca cccb cccc cccu ccha ccob ccoc cctb cctc cctt ccuc ccut chaa chab chac chah chak chao chat chau chca chch chha chka chkb chkt choc choh chok choo chou chto chtt chua chub chuk chut ckac ckat ckbc ckch ckck ckco ckoa ckob ckoc ckoo ckot cktb coak coat coba cobb cobh cobo cobu coca coch cock coco coct cocu coha coho cok- coka coko coob cooh cook coot cota cotb cotc coth coto cott cotu coua coub couk cout ctab ctba ctca ctot ctta cuau cub- cuba cubb cuca cucc cuck cuk- cuka cut- cuta cutc cuth cuto cutt haab haak haat haba habo habt habu hack haco haha haho haht haka hakk hako haku hata hatb hath hato hatt hatu hau- haut hboc hbtu hcat hcbc hcca hccb hccc hcch hhaa hhat hhhh hkbu hkcc hoac hoat hoba hobo hoca hoch hock hoha hoho hoka hoko hoku hook hoot hota hotb hoth hoto hott hotu houk hout htab htcc htoh huac huah huba hubb hubo huch huck hucu huhu huot huta huth huto hutt hutu huub kaaa kaab kaak kaat kaba kabb kabc kabo kabu kacb kacc