-er -ic b-p bbb bbc bbe bbi bbl bbm bbp bbr bcb bcc bce bci bcl bcm bcp bcr be- beb bec bee bei bel bem bep ber bi- bib bic bie bii bil bim bip bir blb blc ble bli bll blm blp blr bmb bmc bme bmi bml bmm bmp bmr bpb bpc bpe bpi bpl bpm bpp bpr brb bre bri brl brm brp brr c-- cbb cbc cbe cbi cbl cbm cbp cbr ccb ccc cce cci ccl ccm ccp ccr ce- ceb cec cee cei cel cem cep cer ci- cib cic cie cii cil cim cip cir cl- clb clc cle cli cll clm clp clr cmb cmc cme cmi cml cmm cmp cmr cpb cpc cpe cpi cpl cpm cpp cpr crb crc cre cri crl crm crp crr ebb ebc ebe ebi ebl ebm ebp ebr ec- ecb ecc ece eci ecl ecm ecr eeb eec eee eel eem eep eer eib eic eie eii eil eim eip eir elb elc ele eli ell elm elp elr em- emb emc eme emi eml emm emp emr ep- epb epc epe epi epl epm epp epr erb erc ere eri erl erm erp err ibb ibc ibe ibi ibl ibm ibp ibr icb icc ice ici icl icm icp icr ie- iec iee iei iel iem iep ier iib iic iie iii iil iim iip iir il- ilb ilc ile ili ill ilm ilp ilr im- imb imc ime imi iml imm imp ipb ipc ipe ipi ipl ipm ipp ipr ir- irb irc ire iri irl irm irp irr l-p lbb lbc lbe lbi lbl lbm lbp lbr lcb lcc lce lci lcl lcm lcp lcr leb lec lee lei lel lem lep ler lib lic lie lii lil lim lip lir llb llc lle lli lll llm llp llr lmb lmc lme lmi lml lmm lmp lmr lpb lpc lpe lpi lpl lpm lpp lpr lrb lrc lri lrm lrp lrr m-r mbb mbc mbe mbi mbl mbm mbp mbr mc- mcb mcc mce mci mcl mcm mcp mcr meb mec mee mei mel mem mep mer mi- mib mic mie mii mil mim mip mir mlb mlc mle mli mll mlm mlp mlr mmb mmc mme mmi mml mmm mmp mmr mpb mpc mpe mpi mpl mpm mpp mpr mrb mrc mre mri mrl mrm mrp mrr p-p pbb pbc pbe pbi pbl pbm pbp pbr pcb pcc pce pci pcl pcm pcp pcr peb pec pee pei pel pem pep per pib pic pie pii pil pim pip pir plb plc ple pli pll plm plp plr pmb pmc pme pmi pml pmm pmp pmr ppb ppc ppe ppi ppl ppm ppp ppr prb prc pre pri prl prm prp prr rbb rbc rbe rbi rbl rbm rbp rbr rcb rcc rce rci rcl rcm rcp rcr re- reb rec ree rei rel rem rep rer rib ric rie rii ril rim rip rir rlc rle rli rll rlm rlp rlr rmb rmc rme rmi rml rmm rmp rmr rpb rpc rpe rpi rpl rpm rpp rpr rrb rrc rri rrl rrm rrp rrr