a-ak a-ok aaaa aaae aaaf aaav aaea aaev aafa aaff aaka aake aaoe aaoo aava aeaf aeka aeva afaa afak afao afee afek affa affo afka afoa afoe afoo afox afxe akaa akae akao akee akka akko akok avao avax avea aveo avex avva avvo axaf axo- axoa axof axxo eaaf eave eeea eeee eefa eefe eeka eeke eeva efax efeo effa efke eka- ekek ekka ekoa eoka evae evea evex evoe evoo evvk exa- exfo exo- f--k faaa faex fafa fafe faff fafo fake fako fava fave faxe feaf feak feek fefe feff fefo feke feko feof feve ffee ffff foaf foak fofo foke foof fook fove foxe foxx kaaa kaaf kaak kaeo kafa kafe kaff kaka kake kakk kako kakx kaoa kaok kaox kava kave kavo kavv kavx kaxa kaxe kaxv kea- keak keef keek kefa keff kefx keka keke keko keok keva keve kexa kexo kexx kfav kfax kffa kfff kffk kffv kffx kfka kfkx kfok kfoo kfox kfve kfxa kfxe kfxf kfxv kfxx kkaa kkea kkex kkkk kkoa kkoo kkov kkvv kkxa kkxk kkxx koae koak koea kofa kofe koff kofk kofo kofx koka koke kokf kokk koko kokx kook kooo koov kova kove kovk kovo koxe kvak kvea kvfx kvoa kvoe kvok kvoo kvov kvox kvvf kvvv kvxx kxaa kxea kxeo kxex kxff kxkk kxkx kxoa kxok kxoo kxox kxva kxvo kxxe kxxf kxxk kxxo kxxv kxxx o-eo oafo oake oeax ofek off- offa offe offo okak okka okko okok ooaa ooak ooff oooo ovee ovo- ovoo oxa- oxea oxo- oxof oxox oxxo vafa vaka vake vava veak vefa veka veke veve vevo vexx vfax voff voka voke vovk voxx vvvv xefe xeka xeko xexe xoka xove xoxo xxxo xxxv xxxx