cccc ccci cccv ccic ccii ccir cciv ccrc ccri ccvi cicc cici cicr ciii cikr circ ciri cirk cirr civc ckck ckcv ckrc crcc crcr cric crik crkc cvcc cvii cvrr iccc icci iccr icrc icrr iiii iirc ikki ikri ircc iri- iric irki irrc irri ivic k-ci kccc kcci kcck kccr kccv kcic kcii kcir kciv kckc kckk kckr kckv kcrc kcri kcrr kcrv kcvi kcvk kcvr kcvv kicc kick kicr kiic kiii kiik kikc kiki kikk kikr kirc kiri kirk kirr kirv kivi kkci kkck kkcr kkic kkik kkkk kkrc kkrk kkrr kkrv kkvr kkvv krcc krci krik kriv krkc krki krkk krkr krkv krrc krri krrk krrr krvc krvi krvk krvr krvv kvcc kvci kvck kvcr kvcv kvic kvik kvir kviv kvrc kvri kvrr kvrv kvvr kvvv rccc rcic rcvr ricc rick riki rikk riri rrrr rv-c rvik vcci vic- vici vick viii viik viki virc viri virk virr vivi vrci vvvv