-ic b-p bbb bbc bbi bbm bbo bbp bcb bcc bci bcm bco bcp bi- bib bic bii bim bio bip bmb bmc bmi bmm bmo bmp bob boc boi bom boo bop bpb bpc bpi bpm bpo bpp c-- cbb cbc cbi cbm cbo cbp ccb ccc cci ccm cco ccp ci- cib cic cii cim cio cip cmb cmc cmi cmm cmo cmp co- cob coc coi com coo cop cpb cpc cpi cpm cpo cpp ibb ibc ibi ibm ibo ibp icb icc ici icm ico icp iib iic iii iim iio iip im- imb imc imi imm imo imp io- iob ioc ioi iom ioo iop ipb ipc ipi ipm ipo ipp m-o mbb mbc mbi mbm mbo mbp mc- mcb mcc mci mcm mco mcp mi- mib mic mii mim mio mip mmb mmc mmi mmm mmo mmp mob moc moi mom moo mop mpb mpc mpi mpm mpo mpp o-i ob- obb obc obi obm obo obp oc- ocb occ oci ocm oco ocp oib oic oii oim oio oip om- omb omc omi omm omo omp oo- oob ooc ooi oom ooo oop op- opb opc opi opm opo opp p-p pbb pbc pbi pbm pbo pbp pcb pcc pci pcm pco pcp pib pic pii pim pio pip pmb pmc pmi pmm pmo pmp pob poc poi pom poo pop ppb ppc ppi ppm ppo ppp