-ic b-p bbb bbc bbe bbi bbk bbm bbp bcb bcc bce bci bck bcm bcp be- beb bec bee bei bek bem bep bi- bib bic bie bii bik bim bip bkb bkc bke bkk bkm bkp bmb bmc bme bmi bmk bmm bmp bpb bpc bpe bpi bpm bpp c-- cbb cbc cbe cbi cbk cbm cbp ccb ccc cce cci cck ccm ccp ce- ceb cec cee cei cek cem cep ci- cib cic cie cii cik cim cip ckb ckc cki ckm cmb cmc cme cmi cmk cmm cmp cpb cpc cpe cpi cpk cpm cpp ebb ebc ebe ebi ebk ebm ebp ec- ecb ecc ece eci eck ecm eeb eec eee eek eem eep eib eic eie eii eik eim eip ekb ekc eke eki ekp em- emb emc eme emi emk emm emp ep- epb epc epe epi epm epp ibb ibc ibe ibi ibk ibm ibp icb icc ice ici ick icm icp ie- iec iee iei iek iem iep iib iic iie iii iim iip ikb ikc ike iki ikk im- imb imc ime imi imm imp ipb ipc ipe ipi ipm ipp kbb kbc kbe kbi kbk kbm kbp kcb kcc kce kci kck kcm kcp ke- keb kec kee kei kek kem kep kib kic kie kii kik kim kip kkb kkc kke kki kkk kkm kkp kmb kmc kme kmi kmk kmm kmp kpc kpe kpi kpk kpm kpp mbb mbc mbe mbi mbk mbm mbp mc- mcb mcc mce mci mck mcm mcp meb mec mee mei mek mem mep mi- mib mic mie mii mik mim mip mkb mkc mke mkk mkm mkp mmb mmc mme mmi mmk mmm mmp mpb mpc mpe mpi mpk mpm mpp p-p pbb pbc pbe pbi pbk pbm pbp pcb pcc pce pci pck pcm pcp peb pec pee pei pek pem pep pib pic pie pii pik pim pip pkb pkc pke pki pkm pkp pmb pmc pme pmi pmk pmm pmp ppb ppc ppe ppi ppk ppm ppp