-ic c-- ccc cci ccm cco ccr ccx ci- cic cii cim cio cir cix cmc cmi cmm cmo cmr cmx cmy co- coc coi com coo cor cox coy crc cri crm cro crr crx cry cxc cxi cxo cxr cxx cyc cym cyo cyr icc ici icm ico icr icy iic iii iim iio iir iix im- imc imi imm imo imx imy io- ioc ioi iom ioo ior ir- irc iri irm iro irr irx iry ixc ixi ixy iyc iym iyo iyr iyy m-o m-r mc- mcc mci mcm mco mcr mcx mi- mic mii mim mio mir mix miy mmc mmi mmm mmo mmr mmx moc moi mom moo mor mox moy mrc mri mrm mro mrr mrx mry mxc mxi mxr my- myc mym myo myr myx o-i oc- occ oci ocm oco ocr ocx oic oii oim oio oir om- omc omi omm omo omr omx omy oo- ooc ooi oom ooo oor oox or- orc ori orm oro orr orx ory ox- oxc oxi oxo oxx oxy oyi oyo rcc rci rcm rco rcr rcx ric rii rim rio rir rix riy rmc rmi rmm rmo rmr rmx roc roi rom roo ror rox roy rrc rri rrm rrr rxr ry- ryc rym ryo ryr ryy xci xcr xcx xic xii xio xix xmc xmi xmm xmo xmr xmx xoc xoi xom xoo xor xox xrc xrx xry xxi xxo xxx xxy xyr xyy ycc yci yco ycy yii yim yio yir ymc ymi ymm ymo yoc yoi yom yoo yor yox yoy yrc yro yxy yyc yyy