-ic c-- ccc cci ccm cco ccp ccr ccx ci- cic cii cim cio cip cir cix cmc cmi cmm cmo cmp cmr cmx co- coc coi com coo cop cor cox cpc cpi cpm cpo cpp cpr cpx crc cri crm cro crp crr crx cxc cxi cxo cxp cxr cxx icc ici icm ico icp icr iic iii iim iio iip iir iix im- imc imi imm imo imp imx io- ioc ioi iom ioo iop ior ipc ipi ipm ipo ipp ipr ipx ir- irc iri irm iro irp irr irx ixc ixi m-o m-r mc- mcc mci mcm mco mcp mcr mcx mi- mic mii mim mio mip mir mix mmc mmi mmm mmo mmp mmr mmx moc moi mom moo mop mor mox mpc mpi mpm mpo mpp mpr mpx mrc mri mrm mro mrp mrr mrx mxc mxi mxp mxr o-i oc- occ oci ocm oco ocp ocr ocx oic oii oim oio oip oir om- omc omi omm omo omp omr omx oo- ooc ooi oom ooo oop oor oox op- opc opi opm opo opp opr opx or- orc ori orm oro orp orr orx ox- oxc oxi oxo oxx p-p pcc pci pcm pco pcp pcr pcx pic pii pim pio pip pir pix pmc pmi pmm pmo pmp pmr pmx poc poi pom poo pop por pox ppc ppi ppm ppo ppp ppr ppx prc pri prm pro prp prr prx pxc pxm pxr rcc rci rcm rco rcp rcr rcx ric rii rim rio rip rir rix rmc rmi rmm rmo rmp rmr rmx roc roi rom roo rop ror rox rpc rpi rpm rpo rpp rpr rpx rrc rri rrm rrp rrr rxp rxr xci xcp xcr xcx xic xii xio xix xmc xmi xmm xmo xmp xmr xmx xoc xoi xom xoo xop xor xox xpc xpm xpo xpp xrc xrx xxi xxo xxp xxx