-ic c-- ccc ccd cci ccm cco cct cdc cdd cdi cdm cdo cdt ci- cic cid cii cim cio cit cmc cmd cmi cmm cmo cmt co- coc cod coi com coo cot ctc ctd cti ctm cto ctt dcc dcd dci dcm dco dct ddc ddd ddi ddm ddo ddt di- dic did dii dim dio dit dmc dmd dmi dmm dmo dmt doc dod doi dom doo dot dtc dtd dti dtm dto dtt i-d icc icd ici icm ico ict idc idd idi idm ido idt iic iid iii iim iio iit im- imc imd imi imm imo imt io- ioc iod ioi iom ioo iot itc itd iti itm ito itt m-o mc- mcc mcd mci mcm mco mct mdc mdd mdi mdm mdo mdt mi- mic mid mii mim mio mit mmc mmd mmi mmm mmo mmt moc mod moi mom moo mot mtc mtd mti mtm mto mtt o-i oc- occ ocd oci ocm oco oct odc odd odi odm odo odt oic oid oii oim oio oit om- omc omd omi omm omo omt oo- ooc ood ooi oom ooo oot ot- otc otd oti otm oto ott tcc tcd tci tcm tco tct tdc tdd tdi tdm tdo tdt tic tid tii tim tio tit tmc tmd tmi tmm tmo tmt to- toc tod toi tom too tot ttc ttd tti ttm tto ttt