a-ak a-ii aaaa aaac aaai aaar aaca aacc aaci aack aacr aaic aaii aaka aara aarc aari acaa acac acai acar acca accc acci aci- acia acic acir acr- acra acrc acri acrr aiai aica aicc aicr aiia aiic aiir aika aiki aira airi akaa akai akar akca akia akik akir akka akki akr- akra arac arai arak arar arc- arca arci aria arii arik arka arki arr- arra arrc arri arrk arrr caaa caac cac- caca cacc caci cack cacr caia caic caik cair caka cara carc cari cark carr ccaa ccac ccai ccar ccca cccc ccci ccic ccii ccir ccra ccrc ccri ciaa ciak ciar cica cicc cici cicr ciia ciii cika cikr cira circ ciri cirk cirr ckac ckck ckrc crac crai crar crca crcc crcr cria cric crik crkc iaaa iaac iaai iaca iacc iacr iaia iara iarc icaa icac icai icar icca iccc icci iccr icra icrc icrr iiac iica iiii iira iirc ikar ikki ikra ikri irac irai irak irar irca ircc iri- iria iric irka irki irra irrc irri k-ci kaaa kaai kaak kaar kacc kaci kaia kaic kaii kaik kair kaka kakc kaki kakk kara kari kark karr kcaa kcac kcai kcar kcca kccc kcci kcck kccr kcic kcii kcir kckc kckk kckr kcrc kcri kcrr kiac kiai kiar kica kicc kick kicr kiia kiic kiii kiik kika kikc kiki kikk kikr kira kirc kiri kirk kirr kkaa kkac kkai kkar kkci kkck kkcr kkia kkic kkik kkkk kkrc kkrk kkrr krac krai krak krar krca krcc krci kria krik krka krkc krki krkk krkr krrc krri krrk krrr raak rac- raca racc raci rack raia raic raii raik rair raka raki rakk rara rari rark rcac rccc rcic riaa riai riak rica ricc rick riia rika riki rikk riri rrrr