a-a a-b a-c aaa aab aac aak aao aau aav ab- aba abb abc abk abo abu abv ac- aca acb acc ack aco acu acv aka akb akc akk ako aku akv aoa aob aoc aok aoo aou aov au- aua aub auc auk auo auv av- ava avb avc avk avo avu b-u baa bab bac bak bao bau bav bba bbb bbc bbk bbo bbu bca bcb bcc bck bco bcu bcv bka bkb bkc bkk bko bkv boa bob boc bok boo bou bov bua bub buc buk buo buu bva bvb bvc bvk bvo bvu bvv c-- caa cab cac cak cao cau cav cba cbb cbc cbk cbo cbu cbv cca ccb ccc cck cco ccu ccv cka ckb ckc cko co- coa cob coc cok coo cou cov cua cub cuc cuk cuo cuu cuv cva cvb cvc cvk cvo cvu cvv ka- kaa kab kac kak kao kau kav kba kbb kbc kbk kbo kbu kca kcb kcc kck kcu kkb kkc kkk kku kkv koa kob koc kok koo kou kub kuc kuk kuu kva kvb kvk kvo kvv oaa oab oac oak oao oau oav ob- oba obb obc obk obo obu obv oc- oca ocb occ ock oco ocu ocv oka okb okc okk oko oku oo- ooa oob ooc ook ooo oov ou- oua ouc ouk ouo ov- ova ovb ovc ovo ovv ua- uaa uab uac uak uao uau uav uba ubb ubc ubk ubo ubu ubv uca ucb ucc uck uco ucu ucv uka ukb ukc ukk uku uoa uob uoc uok uoo uua uuc uuu uva uvb uvc uvo uvu uvv v-a vaa vab vac vak vao vau vav vba vbc vbk vbo vbv vca vcc vco vcu vka vkb voa vob voc vok voo vou vov vuk vuv vva vvb vvc vvo vvv

-vac a-ak a-ok aaaa aaab aaac aaav aaba aabb aabc aaca aacb aacc aack aaco aacu aacv aaka aaku aaoo aava abaa abab abac abak abau abb- abba abbb abbo abca abcb abcc aboa abob abok aboo abou abov abua abuk abva acaa acab acac acba acca accc acco accu acoa acou acu- acuo acvv akaa akao akca akka akko akku akok akua aoba aoca auaa auca avab avao avcc avco avou avva avvo baaa baak baba babb babo babu bac- baca bacc back baco bak- baka bako baku bau- bauk bava bavu bbau bbbb bcaa bcbc bcca bccc bcuc bcvo boab boac boak boba bobb bobo bobu boca bock boco bocu boka boko boku boob booc book boua bouk bova bovo buba bubb bubo bubu buca bucc buck buco bucu buka bukk buko buku c-bo caaa caab caac caba cabo cabu cac- caca cacc cack caco caka cauc cauk cauo cava cavo cavu cbac cbbc cbca cbcc cbcu cbka cbko cbva cbvb ccaa ccab ccac ccba ccbc ccca cccb cccc cccu cccv ccob ccoc ccuc ccvo ckac ckbc ckck ckco ckcv ckoa ckob ckoc ckoo ckvo coak coba cobb cobo cobu coca cock coco cocu cok- coka coko coob cook coua coub couk cova covo cuau cub- cuba cubb cuca cucc cuck cuk- cuka cvac cvca cvcc kaaa kaab kaak kaba kabb kabc kabo kabu kacb kacc kaco kacu kacv kaka kakc kakk kako kaku kaoa kaoc kaok kau- kaub kauc kauk kauo kava kavb kavo kavu kavv kbaa kbab kbac kbak kbba kbbb kbbc kbbk kbbo kbbu kbca kbcb kbck kbco kbcu kbkb kbkk kbko kbkv kboa kbob kboc kbok kboo kbov kbua kbub kbuc kbuk kbuu kbva kbvb kbvc kbvo kbvu kcaa kcab kcac kcau kcav kcba kcbc kcbk kcbu kcca kccb kccc kcck kccu kccv kckc kckk kcko kckv kcob kcou kcua kcub kcuk kcvk kcvo kcvu kcvv kkaa kkac kkba kkbb kkbo kkcb kkck kkco kkkk kkoa kkob kkoo kkov kkua kkuu kkvu kkvv koab koac koak koba kobb kobc kobk kobo kobu koca kocb kock koka kokb kokc kokk koko koku koob kooc kook kooo koou koov koua koub kouu kova kovc kovk kovo kuac kuau kuba kubb kubc kubo kubu kuca kucb kucc kuco kucv kuka kukk kuku kuoa kuok kuoo kuub kuuk kuuu kuva kuvo kvab kvak kvbc kvcb kvcc kvck kvco kvcu kvcv kvoa kvob kvoc kvok kvoo kvou kvov kvuu kvvv oaau obak obba obbo obkb obok ocab ocac ocak ocbc occa occc okak okcu okka okko okok ooaa ooak ooba ooku oooo ouac oucc ouu- ovo- ovoo uabc uaca uaoc uaua ubac ubba ubbo uboc ucak ucav ucbc ucca ucka ucua ukba ukcc ukko ukok uocc uovo uuoc uuuu uv-a uv-b uv-c uvaa uvac uvok uvvu vaca vack vaco vaka vava vbcc voca voka vooc vouk vovk vuca vuco vuka vuku vvob vvvv

-aaa- aaaoc aabaa aabba aacbc aakko abaab ababa ababu abaca aback abaco abaka abako abava abbac abbou abccc abkoo aboab abobo abook abovo abuko acaca acacb acack acaua accub acock acook acou- acoua acouo acuba akaba akabo akaoa akbou akbuk akkub akobo akoka akoko akova akuku avoca avouu baava babak babau babka baboo babou bacab bacao bacca bacco back- backa bacu bakau bakka bakoa bakov baubo bbook bcock bo-bo boaco bobac bobak bobko boboc bobok bobov bocac bocao bocca bocka bocoa bokaa bokko bokok bokov booba boock booco booko bouba bouca bouck bouka bouko bubba bubka bucak bucca bucco bucka bucko bucku bucov bukac bukk- bukov c-a-c ca-ca caaba cabob caboc cabok cabov cacak cacao cacau caco- cacoa cacu cakov caoba cauac cauca cauco cavac cavak cavok ccccc co-bo co-co coava cocao cocc- cocco cocka cocoa cokak cokk- cooba couac couba couco couva cuaba cubao cubo- cubub cucuk cuoco k-a-o kaaba kaabu kaava kaavo kabaa kabab kabak kabba kabob kabou kabua kacov kakao kakau kakka kakko kakku kako- kaooa kauko kavak kavka ko-ko kobuk kocab kocak kocov kokab kokak kokka kokko kokou kooba kooka kouba kouka kouva kovac kovak kuaka kubau kubba kubok kucuk kukak kukav kukka kukko kukok kukua kuvva obaba obaku obava obcov obock ocova okaka okobo okoc okubo okuka okuku ooooo oovoo ouaka ouako