-vac a-ak aaaa aaac aaae aaal aaav aaca aacc aace aack aacl aacv aaea aaec aaev aaka aake aala aalc aale aall aava acaa acac acae acca accc acce ace- acea acec acek acel acev acke acla aclc acle acvv aeac aecl aeka aela aelc aeva akaa akae akal akca akee akel akka akle alaa alac alae alak alal alca alcc alce alea alec alee alek alev alk- alka alke all- alla alle alll alva aval avcc avce avea avec avel avva caaa caac caal cac- caca cacc cace cack caec caka cake cala calc cale calk call cava cave ccaa ccac ccca cccc cccl cccv ccee ccel ccla cclc cclv ceac ceal cec- ceca cece ceec ceel ceke cel- cela celc cele cell ceva ckac ckck ckcl ckcv ckvl clav clea clec clee clek cvac cvca cvcc e-cl e-la eaca eacc eaec eala ealc eale eave ecaa ecac ecal ecca eccc ecce eccl ecka ecla eeca eeea eeee eeka eeke eele eelv eeva eka- ekek ekka elac elal elca elce elea elec elee elek elev elka elke ella elle elva elve evac evae eval evea evel evla evvk kaaa kaak kaal kacc kace kacl kacv kael kaka kakc kake kakk kala kalc kale kalk kall kalv kava kave kavl kavv kcaa kcac kcal kcav kcca kccc kcck kccl kccv kcea kcec kcee kcel kckc kckk kckl kckv kcla kclc kcle kclk kcll kclv kcvk kcvl kcvv kea- keak keal keca keck keek keel keka kekc keke kekl kela kele kelk kell keva keve kkaa kkac kkal kkck kkcl kkea kkkk kklc kkll kklv kkvv klaa klac klak klal klav klca klcc klce klck klcl klea klec klee klek klka klkc klkk klkl klkv klla kllc klle kllk kllv klve klvk klvl klvv kvak kval kvcc kvce kvck kvcl kvcv kvea kvec kvel kvkl kvlc kvle kvlv kvvl kvvv laaa laac laak laal laca lacc lace lack lacl lael laka lake lala lale lall lava lavc lave lcac lcca lccc lcce leaa leak leal leca lece leck leea leek leel leka leke lekk lela lele lell lev- leva levc leve lkal llcc lllc llll lvcc lvea vaal vaca vace vack vaka vake vala vale valk vall vava vcal veak veal vecc veck veel veka veke vel- vela vele vell veve vlcc vvvv