-vac a-ak a-do a-ha a-ok aaaa aaac aaad aaae aaah aaav aaca aacc aacd aace aach aack aaco aacv aada aadc aade aaea aaec aaev aaha aahk aaka aake aaoe aaoo aava acaa acac acad acae acca accc accd acce acch acco acda acdc acde ace- acea acec aced aceh acek acev acha ache achh acho ackd acke acoa acod acoe acoh acvv adaa adac adad adae adah adak adao adcc adda addc addd adde addo adea adee adeh adeo adha adhd adho adoc adod adoe adok adoo aeac aede aeka aeva ahac ahad ahah ahed ahha ahoa ahod ahoe ahok ahva akaa akae akah akao akca aked akee akha akka akko akok aoah aoca aoce aodh avao avcc avce avco avda avea avec aveh aveo avva avvo c-cd caaa caac caah cac- caca cacc cace cach cack caco cada cadc cadd cade cado caec caha cahe caka cake caod cava cave cavo ccaa ccac ccad ccca cccc cccv ccdc ccdh cced ccee ccha cche ccoc ccod ccvo cd-e cdaa cdac cdad cdda cdec cdvd ceac cead cec- ceca cece ceco ceda cedd cede cedo ceec ceke ceva cevo chaa chac chad chae chah chak chao chav chca chce chch chea chec ched chee cheh chek chev chha chka choc chod choh chok choo chov chvo ckac ckch ckck ckco ckcv ckdo ckhv ckoa ckoc ckoo ckvo coad coak coca coce coch cock coco coda codd code coed coha coho cok- coka coke coko cood cooh cook cova cove covo cvac cvca cvcc daad daae daca dace dada dade dado daha dahe daka dake dako dava dave dcca dccc dccv dche dcvd dddd ddoc deac dead deae deak dec- deca decc decd dece deck deco deda dedd dede dedo deed deek deev deha dek- deka deke dekh deva deve devo dhaa dhad dhak dhao dhec dhed dhee dhod dkdc doae doak doca doce doch dock doco dod- doda dodd dode dodo doea doek doha dohc doka doke doko dood dook dove dvda dvoa eaca eacc each eada eadd eaec eave ecaa ecac ecad ecao ecca eccc ecce ecco ecdc eced echa eche echo ecka ecko eco- ecod edac edad edah edca edda eddc edde eddo ede- edea edeh edoc edod edve eeca eede eeea eeee eeka eeke eeoc eeva ehaa ehav ehcc ehdd ehea eheh eka- ekch ekco eked ekek ekho ekka ekoa eocd eode eoka evac evae evah evea evoe evoo evvk haad haak hace hack haco hada hade hadh haec haed haha haho haka hake hakk hako hava have hcca hccc hcch hdca hdda hdoc hdod head heah heca hech heck heda hedd hede hedo heed heek hehe heho heka heke heve hhaa hhhh hkcc hoac hoad hoca hoce hoch hock hoda hode hodh hodk hoed hoek hoha hohe hoho hoka hoke hoko hood hooe hook hova hove hovk hvac hvcc kaaa kaak kacc kacd kace kach kaco kacv kad- kada kadd kade kado kadv kaeh kaeo kaha kahc kahe kaho kaka kakc kake kakh kakk kako kaoa kaoc kaok kava kave kavh kavo kavv kcaa kcac kcad kcah kcav kcca kccc kccd kcck kccv kcda kcdc kcdd kcdv kcea kcec kced kcee kceo kcha kche kchh kchk kcho kckc kckk kcko kckv kcoe kcoh kcvd kcvh kcvk kcvo kcvv kdaa kdac kdad kdae kdak kdao kdav kdca kdcc kdcd kdce kdco kddc kddd kddk kdec kdka kdkd kdkk kdko kdoc kdoe kdok kdov kdva kdvv kea- kead keak keca kech keck keco keda kedc kedd kede kedo keed keeh keek kehk keka kekc keke keko keok keva keve khac khad khak khao khav khca khcc khch khck khcv khdc khdk khdv khec khed khhk khho khka khke khkk khkv khoa khoc khoe khok khvh kkaa kkac kkcd kkch kkck kkco kkda kkdc kkdd kkdo kkdv kkea kked kkha kkhh kkhk kkkk kkoa kkoh kkoo kkov kkvv koac koae koak koca kocd koch kock koda kode kodk kodo kodv koea koed koha kohd kohh koho koka kokc koke kokh kokk koko kooc kook kooo koov kova kovc kove kovk kovo kvah kvak kvcc kvce kvch kvck kvco kvcv kvda kvea kvec kvoa kvoc kvod kvoe kvoh kvok kvoo kvov kvvv o-eo oade oahe oake ocac ocad ocak occa occc oce oced ocee ocha oche ocke odac odah odda oddd odea oded odeo odoh odoo odva oec- oeca oecc oedo oeec ohad ohcc ohed ohee ohho ohoh ohok okak oked okeh okha okka okko okok ooaa ooak ooda ooha ooho oooh oooo ovda ovde ovee ovhd ovo- ovod ovoo vaad vaca vace vach vack vaco vada vade vado vahe vaho vaka vake vava vche vdcc vdec veak vecc vech veck veda vedc vede vedo veho veka veke veoh veve vevo vhhh voad voca voce voda vode vodo voho voka voke vooc vovk vvvv