cccc ccci cccu ccee ccic ccii ccir ccrc ccre ccri ccuc cec- cece ceci ceec ceke cer- cerc cere ceri ceui ceze cicc cici cicr cicu ciee cier ciez ciii cikr circ cire ciri cirk cirr ciuc cize ckck cker ckrc crcc crce crcr crcz cre- crec cree crei creu cric crie crik criu crkc crue cruk cruz cucc cuce cuci cuck cuek cuer cui- cuir cuk- cuke cure curi curr eccc ecce ecci ecrc ecri ecrr ecru eeee eeke eerc eeze eick eiec eiei eier eike eiki eire ekek eker ekki ekur ercc erce erec erei erer erez eric erie erik eriu eriz erke erki errc erre eruc erur erzi euer eur- eurc eure ezek ezer ezri ezuz iccc icci iccr iccu icec icee icer icke icrc icre icrr icru icue iecc ieie iere ieri iiie iiii iirc iiuc ikee iker ikki ikri ikue ircc ircu iree irer iri- iric irie irki irrc irre irri iucc iuce iuiu izki izze k-ci kccc kcci kcck kccr kccu kcec kcee kcei kceu kcez kcic kcie kcii kcir kciu kckc kckk kckr kckz kcrc kcri kcrr kcru kcrz kcue kcui kcuk kcuz kcze kczz keck kecr keek keer keii keik keir kekc keke keki keku ker- kerc kere keri kerk kerr keru kerz keur keze kezi kezr kezz kicc kice kick kicr kier kieu kiez kiic kiii kiik kiiu kikc kiki kikk kikr kiku kikz kirc kiri kirk kirr kiru kiur kiuu kizz kkci kkck kkcr kkez kkic kkik kkkk kkrc kkre kkrk kkrr kkrz kkuu kkzu kkzz krcc krce krci krcu krec kree krei krek kreu krez krik kriz krkc krke krki krkk krkr krku krkz krrc krre krri krrk krrr krrz kruc krue krui kruk krur kruz krze krzi krzk krzr krzz kucc kuce kuci kucr kuei kuek kueu kuic kuie kuik kuke kuki kukk kuku kure kuri kurk kurr kuru kurz kuuk kuur kuuu kuuz kuze kuzu kuzz kzcr kzee kzer kziz kzke kzkr kzkz kzrc kzrk kzrr kzrz kzue kzuu kzuz kzzi kzzk kzzr kzzz rccc rcic recc rece reci reck recr recu recz reek reii reik reir reiu reiz reke reki rere reri reru reue reuk reuu reze rezi rezu ricc rice rick riek rier rieu riez rike riki rikk riku rire riri riue rize rizi rizk rizu rizz rrrr ruce ruci ruck ruer ruez ruiz ruke ruki rukk ruku rurc rure ruri ruru ruze ruzi u-ie ucci ucrc ueir ueki uirr ukcc ukek ukeu ukrc ukur urci ure- uric urie urik uriu urke urre urri uruk urur uruz uuri uuuu uzer uzzi zeck zeek zeir zeke zeki zekr zeku zeri zerk zeze zice zick zike ziki zikr zirc ziri zizi zizz zrce zrze zuce zuck zuke zuki zukr zurr zuru zuuk zuzu zzzz