c-- ccc cce ccm cco ccs cct ccu ce- cec cee cem ceo ces cet ceu cmc cme cmm cmo cms cmt cmu co- coc coe com coo cos cot cou csc cse csm cso css cst csu ctc cte ctm cto cts ctt ctu cuc cue cum cuo cus cut cuu ec- ecc ece ecm eco ecs ect ecu eec eee eem eeo ees eet em- emc eme emm emo ems emt emu eo- eoc eoe eom eoo eos eot eou es- esc ese esm eso ess est esu etc ete etm eto ets ett etu eu- euc eue eus eut m-o mc- mcc mce mcm mco mcs mct mcu mec mee mem meo mes met meu mmc mme mmm mmo mms mmt mmu moc moe mom moo mos mot mou msc mse msm mso mss mst msu mtc mte mtm mto mts mtt mtu muc mue mum mus mut muu oc- occ ocm oco ocs oct ocu oec oee oem oeo oes oet om- omc ome omm omo oms omt omu oo- ooc oom ooo oos oot os- osc ose osm oso oss ost osu ot- otc ote otm oto ots ott otu ou- ouc oue oum ouo ous out scc sce scm sco scs sct scu se- sec see sem seo ses set seu smc sme smm smo sms smt smu soc soe som soo sos sot sou ss- ssc sse ssm sso sss sst ssu stc ste stm sto sts stt stu suc sue sum suo sus sut suu tcc tce tcm tco tcs tct tcu te- tec tee tem teo tes tet teu tmc tme tmm tmo tms tmt tmu to- toc toe tom too tos tot tou tsc tse tsm tso tss tst tsu ttc tte ttm tto tts ttt ttu tuc tue tum tuo tus tut tuu ucc uce ucm uco ucs uct ucu uec uee uem ues uet um- umc ume umm umo ums umt umu uoc uoe uom uoo uos uot usc use usm uso uss ust usu utc ute utm uto uts utt utu uuc uue uum uus uut uuu