cccc cccl cccu ccee ccel cclc ccrc ccre ccrl ccuc cec- cece ceec ceel ceke cel- celc cele cell cer- cerc cere cerl ckck ckcl cker ckrc clec clee clek cler cleu clue crcc crce crcr cre- crec cree creu crkc crkl crue cruk cucc cuce cuck cuek cuer cuk- cuke culc cule culk cull cure curl curr e-cl eccc ecce eccl ecrc ecrl ecrr ecru eeee eeke eele eerc ekek eker ekur elce elec elee elek eler elke elle ellu elue elul ercc erce erec erel erer erke erle erll errc erre eruc erur euer eule eur- eurc eure kccc kcck kccl kccr kccu kcec kcee kcel kceu kckc kckk kckl kckr kclc kcle kclk kcll kclr kclu kcrc kcrr kcru kcue kcuk kcul keck kecr keek keel keer kekc keke kekl keku kele kelk kell kelu ker- kerc kere kerk kerl kerr keru keul keur kkck kkcl kkcr kkkk kklc kkll kkrc kkre kkrk kkrl kkrr kkuu klcc klce klck klcl klcr klec klee klek kler klkc klkk klkl klkr kllc klle kllk klrc klrk klrr klru klue kluk klur kluu krcc krce krcl krcu krec kree krek kreu krkc krke krkk krkr krku krlc krle krrc krre krrk krrl krrr kruc krue kruk krul krur kucc kuce kucr kuek kuel kueu kuke kukk kukl kuku kule kull kulu kure kurk kurl kurr kuru kuuk kuul kuur kuuu lccc lcce lcer lcrl le-u lece leck leek leel leer leke lekk lele lell lelu lerc lere lerk leuc leuk leur llcc lleu lllc llll lrrc lrrr luce luck luer luke lule lull lulu lure lurk luuk rccc rcle recc rece reck recr recu reek reel reke rele rell rere reru reue reuk reul reuu rlee rleu rrle rrrr ruce ruck ruel ruer ruke rukk ruku rule rulk rull rurc rure ruru ucel ucrc uele uell ukcc ukek ukeu ukrc ukur ulcc ulee ulek ulle ullr uluk ulul ure- urke urle urre uruk urur uulu uuuu