cccc ccci cccl cccu ccic ccii ccil ccir cclc ccli ccrc ccri ccrl ccuc cicc cici cicr cicu ciii cikr cili cilk cill circ ciri cirk cirl cirr ciuc ckck ckcl ckrc clic clii clik clir clri crcc crcr cric crik criu crkc crkl cruk cucc cuci cuck cui- cuil cuir cuk- culc culk cull curi curl curr iccc icci iccl iccr iccu icll iclr icrc icrr icru iiii iirc iiuc ikki ikri ilic ilir ilki ilku ill- illi ircc ircu iri- iric iril irki irrc irri irul iucc iuiu k-ci kccc kcci kcck kccl kccr kccu kcic kcii kcil kcir kciu kckc kckk kckl kckr kclc kcli kclk kcll kclr kclu kcrc kcri kcrr kcru kcui kcuk kcul kicc kick kicl kicr kiic kiii kiik kiiu kikc kiki kikk kikr kiku kili kilk kill kilr kirc kiri kirk kirr kiru kiul kiur kiuu kkci kkck kkcl kkcr kkic kkik kkkk kklc kkli kkll kkrc kkrk kkrl kkrr kkuu klcc klci klck klcl klcr klic klik klil klir kliu klkc klkk klkl klkr kllc kllk klrc klrk klrr klru kluk klur kluu krcc krci krcl krcu krik kril krkc krki krkk krkr krku krlc krrc krri krrk krrl krrr kruc krui kruk krul krur kucc kuci kucr kuic kuik kuil kuki kukk kukl kuku kuli kull kulu kuri kurk kurl kurr kuru kuuk kuul kuur kuuu lccc lcrl lick licr liii liir liku lili lill lilu lirc liri lirk lirl lirr liru llcc lllc llll lric lrrc lrrr luci luck luik luki luli lull lulu luri lurk luuk rccc rcic ricc rick riki rikk riku rill rilu riri rrrr ruci ruck ruki rukk ruku rulk rull rurc ruri ruru ucci ucil ucrc uirr ukcc ukrc ukur ulcc ulic ulik ulli ullr uluk ulul urci uric urik uriu urri uruk urur uulu uuri uuuu