a-ak a-ii aaaa aaac aaae aaai aaar aaca aacc aace aaci aack aacr aaea aaec aaic aaii aaka aake aara aarc aare aari acaa acac acae acai acar acca accc acce acci ace- acea acec acek acer aci- acia acic acie acir acke acr- acra acrc acre acri acrr aeac aeci aeer aeka aer- aera aerc aeri aiai aica aicc aice aicr aiea aiee aiia aiic aiir aika aike aiki aira aire airi akaa akae akai akar akca akee aker akia akie akik akir akka akki akr- akra akre arac arae arai arak arar arc- arca arce arci area arec aree arei arek aria arie arii arik arka arke arki arr- arra arrc arre arri arrk arrr caaa caac cac- caca cacc cace caci cack cacr caec caei caer caia caic caik cair caka cake cara carc care cari cark carr ccaa ccac ccai ccar ccca cccc ccci ccee ccic ccii ccir ccra ccrc ccre ccri ceac cear cec- ceca cece ceci ceec ceke cer- cera cerc cere ceri ciaa ciak ciar cica cicc cici cicr ciee cier ciia ciii cika cikr cira circ cire ciri cirk cirr ckac ckck cker ckrc crac crai crar crca crcc crce crcr cre- crea crec cree crei cria cric crie crik crkc eaca eacc eaec eara eare ecaa ecac ecai ecar ecca eccc ecce ecci ecka ecra ecrc ecri ecrr eeca eeea eeee eeka eeke eera eerc eica eick eiec eiei eier eika eike eiki eira eire eka- ekek eker ekka ekki erca ercc erce erec erei erer eria eric erie erik erke erki erra errc erre iaaa iaac iaai iaca iacc iacr iaea iaec iaia iara iarc iare icaa icac icai icar icca iccc icci iccr icea icec icee icer icke icra icrc icre icrr ieac iecc ieie iera iere ieri iiac iica iiie iiii iira iirc ikar ikea ikee iker ikki ikra ikri irac irae irai irak irar irca ircc iree irer iri- iria iric irie irka irki irra irrc irre irri k-ci kaaa kaai kaak kaar kacc kace kaci kaei kaer kaia kaic kaie kaii kaik kair kaka kakc kake kaki kakk kara kare kari kark karr kcaa kcac kcai kcar kcca kccc kcci kcck kccr kcea kcec kcee kcei kcic kcie kcii kcir kckc kckk kckr kcrc kcri kcrr kea- keak kear keca keck kecr keek keer keii keik keir keka kekc keke keki ker- kera kerc kere keri kerk kerr kiac kiai kiar kica kicc kice kick kicr kier kiia kiic kiii kiik kika kikc kiki kikk kikr kira kirc kiri kirk kirr kkaa kkac kkai kkar kkci kkck kkcr kkea kkia kkic kkik kkkk kkrc kkre kkrk kkrr krac krae krai krak krar krca krcc krce krci krea krec kree krei krek kria krik krka krkc krke krki krkk krkr krrc krre krri krrk krrr raak rac- raca racc race raci rack raec raer raia raic raie raii raik rair raka rake raki rakk rara rare rari rark rcac rccc rcic rea- reac reae reak rear reca recc rece reci reck recr reek reia reii reik reir reka reke reki rera rere reri riaa riai riak rica ricc rice rick riek rier riia rika rike riki rikk rire riri rrrr