c-- ccc cce cck ccm ccs cct ccu ce- cec cee cek cem ces cet ceu ckc ckm cks ckt cmc cme cmk cmm cms cmt cmu csc cse csk csm css cst csu ctc cte ctk ctm cts ctt ctu cuc cue cuk cum cus cut cuu ec- ecc ece eck ecm ecs ect ecu eec eee eek eem ees eet ekc eke eks ekt eku em- emc eme emk emm ems emt emu es- esc ese esk esm ess est esu etc ete etk etm ets ett etu eu- euc eue eus eut k-t kcc kce kck kcm kcs kct kcu ke- kec kee kek kem kes ket kkc kke kkk kkm kks kkt kku kmc kme kmk kmm kms kmt kmu ksc kse ksk ksm kss kst ksu ktc kte ktk ktm kts ktt ktu kuc kue kuk kum kus kut kuu mc- mcc mce mck mcm mcs mct mcu mec mee mek mem mes met meu mkc mke mkk mkm mks mkt mku mmc mme mmk mmm mms mmt mmu msc mse msk msm mss mst msu mtc mte mtk mtm mts mtt mtu muc mue muk mum mus mut muu scc sce sck scm scs sct scu se- sec see sek sem ses set seu sk- skc ske skk skm sks skt sku smc sme smk smm sms smt smu ss- ssc sse ssk ssm sss sst ssu stc ste stk stm sts stt stu suc sue suk sum sus sut suu tcc tce tck tcm tcs tct tcu te- tec tee tek tem tes tet teu tkc tke tkk tkm tks tkt tmc tme tmk tmm tms tmt tmu tsc tse tsk tsm tss tst tsu ttc tte ttk ttm tts ttt ttu tuc tue tuk tum tus tut tuu ucc uce uck ucm ucs uct ucu uec uee uem ues uet ukc uke ukk uku um- umc ume umm ums umt umu usc use usk usm uss ust usu utc ute utk utm uts utt utu uuc uue uum uus uut uuu