-th c-- ccc cce cch ccm ccs cct ce- cec cee ceh cem ces cet ch- chc che chh chm chs cht cmc cme cmh cmm cms cmt csc cse csh csm css cst ctc cte cth ctm cts ctt ec- ecc ece ech ecm ecs ect eec eee eem ees eet ehc ehe ehh ehm ehs eht em- emc eme emh emm ems emt es- esc ese esh esm ess est etc ete eth etm ets ett hcc hce hch hcm hcs hct he- hec hee heh hem hes het hhc hhe hhh hhm hhs hht hmc hme hmh hmm hms hmt hsc hse hsh hsm hss hst htc hte hth htm hts htt mc- mcc mce mch mcm mcs mct mec mee meh mem mes met mhc mhh mhm mhs mht mmc mme mmh mmm mms mmt msc mse msh msm mss mst mtc mte mth mtm mts mtt scc sce sch scm scs sct se- sec see seh sem ses set sh- shc she shh shm shs sht smc sme smh smm sms smt ss- ssc sse ssh ssm sss sst stc ste sth stm sts stt tcc tce tch tcm tcs tct te- tec tee teh tem tes tet th- thc the thh thm ths tht tmc tme tmh tmm tms tmt tsc tse tsh tsm tss tst ttc tte tth ttm tts ttt