c-- ccc cce ccl ccm ccu ce- cec cee cel cem ceu cl- clc cle cll clm clu cmc cme cml cmm cmu cuc cue cul cum cuu ec- ecc ece ecl ecm ecu eec eee eel eem elc ele ell elm elu em- emc eme eml emm emu eu- euc eue eul lcc lce lcl lcm lcu lec lee lel lem leu llc lle lll llm llu lmc lme lml lmm lmu luc lue lul lum luu mc- mcc mce mcl mcm mcu mec mee mel mem meu mlc mle mll mlm mlu mmc mme mml mmm mmu muc mue mul mum muu ucc uce ucl ucm ucu uec uee uel uem ulc ule ull ulm ulu um- umc ume uml umm umu uuc uue uum uuu