c-- ccc cce ccl ccm ccs cct ccu ce- cec cee cel cem ces cet ceu cl- clc cle cll clm cls clt clu cmc cme cml cmm cms cmt cmu csc cse csl csm css cst csu ctc cte ctl ctm cts ctt ctu cuc cue cul cum cus cut cuu ec- ecc ece ecl ecm ecs ect ecu eec eee eel eem ees eet elc ele ell elm els elt elu em- emc eme eml emm ems emt emu es- esc ese esl esm ess est esu etc ete etl etm ets ett etu eu- euc eue eul eus eut lcc lce lcl lcm lcs lct lcu lec lee lel lem les let leu llc lle lll llm lls llt llu lmc lme lml lmm lms lmt lmu lsc lse lsl lsm lss lst lsu ltc lte ltl ltm lts ltt ltu luc lue lul lum lus lut luu mc- mcc mce mcl mcm mcs mct mcu mec mee mel mem mes met meu mlc mle mll mlm mls mlt mlu mmc mme mml mmm mms mmt mmu msc mse msl msm mss mst msu mtc mte mtl mtm mts mtt mtu muc mue mul mum mus mut muu scc sce scl scm scs sct scu se- sec see sel sem ses set seu slc sle sll slm sls slt slu smc sme sml smm sms smt smu ss- ssc sse ssl ssm sss sst ssu stc ste stl stm sts stt stu suc sue sul sum sus sut suu tcc tce tcl tcm tcs tct tcu te- tec tee tel tem tes tet teu tlc tle tll tlm tls tlt tlu tmc tme tml tmm tms tmt tmu tsc tse tsl tsm tss tst tsu ttc tte ttl ttm tts ttt ttu tuc tue tul tum tus tut tuu ucc uce ucl ucm ucs uct ucu uec uee uel uem ues uet ulc ule ull ulm uls ult ulu um- umc ume uml umm ums umt umu usc use usl usm uss ust usu utc ute utl utm uts utt utu uuc uue uum uus uut uuu