-ic c-- ccc ccd cci ccm cco ccs cdc cdd cdi cdm cdo cds cdy ci- cic cid cii cim cio cis cmc cmd cmi cmm cmo cms cmy co- coc cod coi com coo cos coy csc csd csi csm cso css csy cyc cyd cym cyo cys dcc dcd dci dcm dco dcs ddc ddd ddi ddm ddo dds ddy di- dic did dii dim dio dis diy dmc dmd dmi dmm dmo dms doc dod doi dom doo dos doy dsc dsd dsi dsm dso dss dsy dy- dyc dyd dym dyo dys dyy i-d icc icd ici icm ico ics icy idc idd idi idm ido ids idy iic iid iii iim iio iis im- imc imd imi imm imo ims imy io- ioc iod ioi iom ioo ios is- isc isd isi ism iso iss isy iyc iym iyo iys iyy m-o mc- mcc mcd mci mcm mco mcs mdc mdd mdi mdm mdo mds mdy mi- mic mid mii mim mio mis miy mmc mmd mmi mmm mmo mms moc mod moi mom moo mos moy msc msd msi msm mso mss msy my- myc myd mym myo mys o-i oc- occ ocd oci ocm oco ocs odc odd odi odm odo ods oic oid oii oim oio ois om- omc omd omi omm omo oms omy oo- ooc ood ooi oom ooo oos os- osc osd osi osm oso oss oyd oyi oyo oys scc scd sci scm sco scs sdc sdd sdi sdm sdo sds sdy sic sid sii sim sio sis smc smd smi smm smo sms smy soc sod soi som soo sos soy ss- ssc ssd ssi ssm sso sss sy- syc syd syi sym sys ycc ycd yci yco ycs ycy ydo yds ydy yid yii yim yio yis ymc ymi ymm ymo yms yoc yod yoi yom yoo yos yoy ysc ysi ysm yso yss ysy yyc yys yyy