-vac a-ak a-ha aaaa aaab aaac aaad aaah aaav aaba aabb aabc aabd aabh aaca aacb aacc aacd aach aack aacu aacv aada aadc aadu aaha aahk aaka aaku aava abaa abab abac abad abak abau abb- abba abbb abca abcb abcc abcd abch abda abdu abha abua abud abuk abva abvd acaa acab acac acad acba acca accc accd acch accu acda acdb acdc acha achh achu ackd acu- acvv adaa adab adac adad adah adak adba adbc adcc adda addc addd addu adha adhd adhu adua adub aduk advb ahab ahac ahad ahah ahau ahha ahua ahva akaa akah akca akha akka akku akua auaa auca auch audc audh avab avcc avda avva baaa baad baah baak baba babb babu bac- baca bacc bach back bada badb badd badh badu baha bahu bak- baka bakh baku bau- baud bauk bava bavu bbad bbau bbbb bbch bbdd bcaa bcbc bcca bccc bcda bchd bcuc bdav bdbc bddc bddh bhca bhcc bhuu buad buba bubb bubu buca bucc buch buck bucu buda budb budd budu buha buka bukh bukk buku buvd bvdu c-cd caaa caab caac caah caba cabu cac- caca cacc cach cack cada cadc cadd cadu caha caka cauc cauk cava cavu cbac cbbc cbca cbcc cbcu cbdb cbdc cbha cbka cbva cbvb ccaa ccab ccac ccad ccba ccbc ccca cccb cccc cccu cccv ccdc ccdh ccha ccuc cdaa cdac cdad cdba cdda cddb cdvd chaa chab chac chad chah chak chau chav chca chch chha chka chkb chua chub chud chuk ckac ckbc ckch ckck ckcv ckdu ckhv cuau cub- cuba cubb cuca cucc cuck cuda cuk- cuka cvac cvca cvcc daab daad daau daba dabb dabu daca dada dadu daha dahu daka daku daub daud dauk dava dbcc dcbc dcca dccb dccc dccu dccv dcdb dcvd dddd ddub dhaa dhad dhak dhau dkba dkdc duaa duab duad duah dub- duba dubb dubc dubh dubu duca duch duck duda dudd dudu duha duhu duka duku duva dvda haab haad haak haba habu hack hada hadh hadu haha haka hakk haku hau- haud hava hbcd hcbc hcca hccb hccc hcch hdbk hdca hdda hhaa hhhh hkbu hkcc huac huah huba hubb huch huck hucu huda hudd hudu huhu huub hvac hvcc kaaa kaab kaak kaba kabb kabc kabd kabu kacb kacc kacd kach kacu kacv kad- kada kadd kadu kadv kaha kahc kahu kaka kakc kakh kakk kaku kau- kaub kauc kaud kauk kava kavb kavh kavu kavv kbaa kbab kbac kbad kbak kbba kbbb kbbc kbbd kbbk kbbu kbca kbcb kbch kbck kbcu kbdb kbdv kbhb kbhc kbhh kbkb kbkk kbkv kbua kbub kbuc kbud kbuk kbuu kbva kbvb kbvc kbvu kcaa kcab kcac kcad kcah kcau kcav kcba kcbc kcbd kcbk kcbu kcca kccb kccc kccd kcck kccu kccv kcda kcdc kcdd kcdu kcdv kcha kchh kchk kchu kckc kckk kckv kcua kcub kcuh kcuk kcvd kcvh kcvk kcvu kcvv kdaa kdab kdac kdad kdak kdav kdbb kdbv kdca kdcc kdcd kddb kddc kddd kddk kdka kdkb kdkd kdkk kdub kduc kduv kdva kdvb kdvv khab khac khad khak khav khbc khbd khca khcb khcc khch khck khcv khdc khdk khdv khhk khka khkk khkv khub khud khuk khvh kkaa kkac kkba kkbb kkbd kkcb kkcd kkch kkck kkda kkdc kkdd kkdv kkha kkhb kkhh kkhk kkkk kkua kkuu kkvu kkvv kuac kuah kuau kuba kubb kubc kubd kubu kuca kucb kucc kucd kuch kucv kuda kudd kudu kuhu kuka kukh kukk kuku kuub kuuk kuuu kuva kvab kvah kvak kvbc kvcb kvcc kvch kvck kvcu kvcv kvda kvdu kvuu kvvv uabc uaca uaua ubac ubba ubud ucad ucak ucav ucbc ucca ucdc ucdd ucha ucka ucua udaa udad udau udbc udca uduk uh-d uhuh ukba ukcc ukha uuuu uv-a uv-b uv-c uvaa uvac uvda uvvu vaad vaca vach vack vada vadu vaka vaud vava vbcc vdcc vdub vhhh vuca vuda vudu vuka vuku vvvv