-ic c-- ccc ccd cce cci ccm ccs cct cdc cdd cde cdi cdm cds cdt ce- cec ced cee cei cem ces cet ci- cic cid cie cii cim cis cit cmc cmd cme cmi cmm cms cmt csc csd cse csi csm css cst ctc ctd cte cti ctm cts ctt dcc dcd dce dci dcm dcs dct ddc ddd dde ddi ddm dds ddt de- dec ded dee dei dem des det di- dic did die dii dim dis dit dmc dmd dme dmi dmm dms dmt dsc dsd dse dsi dsm dss dst dtc dtd dte dti dtm dts dtt ec- ecc ecd ece eci ecm ecs ect ed- edc edd ede edi edm eds edt eec eed eee eem ees eet eic eid eie eii eim eis eit em- emc emd eme emi emm ems emt es- esc esd ese esi esm ess est etc etd ete eti etm ets ett i-d icc icd ice ici icm ics ict idc idd ide idi idm ids idt ie- iec ied iee iei iem ies iet iic iid iie iii iim iis iit im- imc imd ime imi imm ims imt is- isc isd ise isi ism iss ist itc itd ite iti itm its itt mc- mcc mcd mce mci mcm mcs mct mdc mdd mde mdi mdm mds mdt mec med mee mei mem mes met mi- mic mid mie mii mim mis mit mmc mmd mme mmi mmm mms mmt msc msd mse msi msm mss mst mtc mtd mte mti mtm mts mtt scc scd sce sci scm scs sct sdc sdd sde sdi sdm sds sdt se- sec sed see sei sem ses set sic sid sie sii sim sis sit smc smd sme smi smm sms smt ss- ssc ssd sse ssi ssm sss sst stc std ste sti stm sts stt tcc tcd tce tci tcm tcs tct tdc tdd tde tdi tdm tds tdt te- tec ted tee tei tem tes tet tic tid tie tii tim tis tit tmc tmd tme tmi tmm tms tmt tsc tsd tse tsi tsm tss tst ttc ttd tte tti ttm tts ttt