c-- ccc cce ccl ccm cct ccu ce- cec cee cel cem cet ceu cl- clc cle cll clm clt clu cmc cme cml cmm cmt cmu ctc cte ctl ctm ctt ctu cuc cue cul cum cut cuu ec- ecc ece ecl ecm ect ecu eec eee eel eem eet elc ele ell elm elt elu em- emc eme eml emm emt emu etc ete etl etm ett etu eu- euc eue eul eut lcc lce lcl lcm lct lcu lec lee lel lem let leu llc lle lll llm llt llu lmc lme lml lmm lmt lmu ltc lte ltl ltm ltt ltu luc lue lul lum lut luu mc- mcc mce mcl mcm mct mcu mec mee mel mem met meu mlc mle mll mlm mlt mlu mmc mme mml mmm mmt mmu mtc mte mtl mtm mtt mtu muc mue mul mum mut muu tcc tce tcl tcm tct tcu te- tec tee tel tem tet teu tlc tle tll tlm tlt tlu tmc tme tml tmm tmt tmu ttc tte ttl ttm ttt ttu tuc tue tul tum tut tuu ucc uce ucl ucm uct ucu uec uee uel uem uet ulc ule ull ulm ult ulu um- umc ume uml umm umt umu utc ute utl utm utt utu uuc uue uum uut uuu