-er -ol b-p bbb bbe bbi bbl bbm bbo bbp bbr be- beb bee bei bel bem beo bep ber bi- bib bie bii bil bim bio bip bir blb ble bli bll blm blo blp blr bmb bme bmi bml bmm bmo bmp bmr bob boe boi bol bom boo bop bor bpb bpe bpi bpl bpm bpo bpp bpr brb bre bri brl brm bro brp brr ebb ebe ebi ebl ebm ebo ebp ebr eeb eee eel eem eeo eep eer eib eie eii eil eim eio eip eir elb ele eli ell elm elo elp elr em- emb eme emi eml emm emo emp emr eo- eob eoe eoi eol eom eoo eop eor ep- epb epe epi epl epm epo epp epr erb ere eri erl erm ero erp err ibb ibe ibi ibl ibm ibo ibp ibr ie- iee iei iel iem iep ier iib iie iii iil iim iio iip iir il- ilb ile ili ill ilm ilo ilp ilr im- imb ime imi iml imm imo imp io- iob ioe ioi iol iom ioo iop ior ipb ipe ipi ipl ipm ipo ipp ipr ir- irb ire iri irl irm iro irp irr l-p lbb lbe lbi lbl lbm lbo lbp lbr leb lee lei lel lem leo lep ler lib lie lii lil lim lio lip lir llb lle lli lll llm llo llp llr lmb lme lmi lml lmm lmo lmp lmr lob loe loi lol lom loo lop lor lpb lpe lpi lpl lpm lpo lpp lpr lrb lri lrm lro lrp lrr m-o m-r mbb mbe mbi mbl mbm mbo mbp mbr meb mee mei mel mem meo mep mer mi- mib mie mii mil mim mio mip mir mlb mle mli mll mlm mlo mlp mlr mmb mme mmi mml mmm mmo mmp mmr mob moe moi mol mom moo mop mor mpb mpe mpi mpl mpm mpo mpp mpr mrb mre mri mrl mrm mro mrp mrr o-i ob- obb obe obi obl obm obo obp obr oeb oee oei oel oem oeo oep oer oib oie oii oil oim oio oip oir olb ole oli oll olm olo olp om- omb ome omi oml omm omo omp omr oo- oob ooi ool oom ooo oop oor op- opb ope opi opl opm opo opp opr or- orb ore ori orl orm oro orp orr p-p pbb pbe pbi pbl pbm pbo pbp pbr peb pee pei pel pem peo pep per pib pie pii pil pim pio pip pir plb ple pli pll plm plo plp plr pmb pme pmi pml pmm pmo pmp pmr pob poe poi pol pom poo pop por ppb ppe ppi ppl ppm ppo ppp ppr prb pre pri prl prm pro prp prr rbb rbe rbi rbl rbm rbo rbp rbr re- reb ree rei rel rem reo rep rer rib rie rii ril rim rio rip rir rle rli rll rlm rlo rlp rlr rmb rme rmi rml rmm rmo rmp rmr rob roe roi rol rom roo rop ror rpb rpe rpi rpl rpm rpo rpp rpr rrb rri rrl rrm rrp rrr