-er -ol b-p bbb bbe bbf bbi bbl bbm bbo bbp bbr be- beb bee bef bei bel bem beo bep ber bfb bfe bff bfi bfl bfm bfo bfp bfr bi- bib bie bif bii bil bim bio bip bir blb ble blf bli bll blm blo blp blr bmb bme bmf bmi bml bmm bmo bmp bmr bob boe bof boi bol bom boo bop bor bpb bpe bpf bpi bpl bpm bpo bpp bpr brb bre brf bri brl brm bro brp brr ebb ebe ebf ebi ebl ebm ebo ebp ebr eeb eee eef eel eem eeo eep eer ef- efb efe eff efi efl efm efo efp efr eib eie eif eii eil eim eio eip eir elb ele elf eli ell elm elo elp elr em- emb eme emf emi eml emm emo emp emr eo- eob eoe eof eoi eol eom eoo eop eor ep- epb epe epf epi epl epm epo epp epr erb ere erf eri erl erm ero erp err fbb fbe fbf fbi fbl fbm fbo fbp fbr feb fee fef fei fel fem feo fep fer ffe fff ffi ffl ffm ffo ffp ffr fib fie fif fii fil fim fip fir flb fle flf fli fll flm flo flp flr fmb fme fmf fmi fml fmm fmo fmp fmr fob foe fof foi fol fom foo fop for fpb fpe fpi fpl fpm fpo fpp fpr frb fre frf fri frl frm fro frp frr i-f ibb ibe ibf ibi ibl ibm ibo ibp ibr ie- iee ief iei iel iem iep ier ifb ife iff ifi ifl ifm ifo ifp ifr iib iie iif iii iil iim iio iip iir il- ilb ile ilf ili ill ilm ilo ilp ilr im- imb ime imf imi iml imm imo imp io- iob ioe iof ioi iol iom ioo iop ior ipb ipe ipf ipi ipl ipm ipo ipp ipr ir- irb ire irf iri irl irm iro irp irr l-p lbb lbe lbf lbi lbl lbm lbo lbp lbr leb lee lef lei lel lem leo lep ler lfb lfe lff lfi lfl lfm lfo lfp lfr lib lie lif lii lil lim lio lip lir llb lle llf lli lll llm llo llp llr lmb lme lmf lmi lml lmm lmo lmp lmr lob loe lof loi lol lom loo lop lor lpb lpe lpf lpi lpl lpm lpo lpp lpr lrb lrf lri lrm lro lrp lrr m-f m-o m-r mbb mbe mbf mbi mbl mbm mbo mbp mbr meb mee mef mei mel mem meo mep mer mfb mfe mff mfi mfl mfm mfo mfp mfr mi- mib mie mif mii mil mim mio mip mir mlb mle mlf mli mll mlm mlo mlp mlr mmb mme mmf mmi mml mmm mmo mmp mmr mob moe mof moi mol mom moo mop mor mpb mpe mpf mpi mpl mpm mpo mpp mpr mrb mre mrf mri mrl mrm mro mrp mrr o-i ob- obb obe obf obi obl obm obo obp obr oeb oee oef oei oel oem oeo oep oer of- ofb ofe off ofi ofl ofm ofo ofp ofr oib oie oif oii oil oim oio oip oir olb ole olf oli oll olm olo olp om- omb ome omf omi oml omm omo omp omr oo- oob oof ooi ool oom ooo oop oor op- opb ope opf opi opl opm opo opp opr or- orb ore orf ori orl orm oro orp orr p-p pbb pbe pbf pbi pbl pbm pbo pbp pbr peb pee pef pei pel pem peo pep per pfb pfe pff pfi pfl pfm pfo pfp pfr pib pie pif pii pil pim pio pip pir plb ple plf pli pll plm plo plp plr pmb pme pmf pmi pml pmm pmo pmp pmr pob poe pof poi pol pom poo pop por ppb ppe ppf ppi ppl ppm ppo ppp ppr prb pre prf pri prl prm pro prp prr rbb rbe rbf rbi rbl rbm rbo rbp rbr re- reb ree ref rei rel rem reo rep rer rfb rfe rff rfi rfl rfm rfo rfp rfr rib rie rif rii ril rim rio rip rir rle rlf rli rll rlm rlo rlp rlr rmb rme rmf rmi rml rmm rmo rmp rmr rob roe rof roi rol rom roo rop ror rpb rpe rpf rpi rpl rpm rpo rpp rpr rrb rrf rri rrl rrm rrp rrr