-ic c-- ccc ccd cci ccm cco ccs cct cdc cdd cdi cdm cdo cds cdt ci- cic cid cii cim cio cis cit cmc cmd cmi cmm cmo cms cmt co- coc cod coi com coo cos cot csc csd csi csm cso css cst ctc ctd cti ctm cto cts ctt dcc dcd dci dcm dco dcs dct ddc ddd ddi ddm ddo dds ddt di- dic did dii dim dio dis dit dmc dmd dmi dmm dmo dms dmt doc dod doi dom doo dos dot dsc dsd dsi dsm dso dss dst dtc dtd dti dtm dto dts dtt i-d icc icd ici icm ico ics ict idc idd idi idm ido ids idt iic iid iii iim iio iis iit im- imc imd imi imm imo ims imt io- ioc iod ioi iom ioo ios iot is- isc isd isi ism iso iss ist itc itd iti itm ito its itt m-o mc- mcc mcd mci mcm mco mcs mct mdc mdd mdi mdm mdo mds mdt mi- mic mid mii mim mio mis mit mmc mmd mmi mmm mmo mms mmt moc mod moi mom moo mos mot msc msd msi msm mso mss mst mtc mtd mti mtm mto mts mtt o-i oc- occ ocd oci ocm oco ocs oct odc odd odi odm odo ods odt oic oid oii oim oio ois oit om- omc omd omi omm omo oms omt oo- ooc ood ooi oom ooo oos oot os- osc osd osi osm oso oss ost ot- otc otd oti otm oto ots ott scc scd sci scm sco scs sct sdc sdd sdi sdm sdo sds sdt sic sid sii sim sio sis sit smc smd smi smm smo sms smt soc sod soi som soo sos sot ss- ssc ssd ssi ssm sso sss sst stc std sti stm sto sts stt tcc tcd tci tcm tco tcs tct tdc tdd tdi tdm tdo tds tdt tic tid tii tim tio tis tit tmc tmd tmi tmm tmo tms tmt to- toc tod toi tom too tos tot tsc tsd tsi tsm tso tss tst ttc ttd tti ttm tto tts ttt