a-ak a-ii aaaa aaac aaai aaca aacc aaci aack aaic aaii aaka acaa acac acai acca accc acci aci- acia acic aiai aica aicc aiia aiic aika aiki aixa aixi akaa akai akca akia akik akka akki axi- axia caaa caac cac- caca cacc caci cack caia caic caik caix caka caxa ccaa ccac ccai ccca cccc ccci ccic ccii ccix ccxi ciaa ciak cica cicc cici ciia ciii cika cixi ckac ckck ckcx cxii cxix cxxi cxxx iaaa iaac iaai iaca iacc iaia icaa icac icai icca iccc icci iiac iica iiii ikki ixia ixxi k-ci kaaa kaai kaak kacc kaci kaia kaic kaii kaik kaka kakc kaki kakk kakx kaxa kc-x kcaa kcac kcai kcca kccc kcci kcck kcic kcii kcix kckc kckk kckx kiac kiai kica kicc kick kicx kiia kiic kiii kiik kiix kika kikc kiki kikk kikx kixi kixk kixx kkaa kkac kkai kkci kkck kkia kkic kkik kkix kkkk kkxa kkxk kkxx kxaa kxac kxai kxca kxci kxia kxic kxii kxix kxkc kxkk kxkx kxxi kxxk kxxx xcii xica xiii xixi xxii xxix xxxi xxxx