-er -ol b-p bbb bbe bbg bbi bbl bbm bbo bbp bbr bbs be- beb bee beg bei bel bem beo bep ber bes bgb bge bgg bgi bgl bgm bgo bgp bgr bgs bi- bib bie big bii bil bim bio bip bir bis blb ble blg bli bll blm blo blp blr bls bmb bme bmg bmi bml bmm bmo bmp bmr bms bob boe bog boi bol bom boo bop bor bos bpb bpe bpg bpi bpl bpm bpo bpp bpr bps brb bre brg bri brl brm bro brp brr brs bsb bse bsg bsi bsl bsm bso bsp bsr bss ebb ebe ebg ebi ebl ebm ebo ebp ebr ebs eeb eee eeg eel eem eeo eep eer ees egb ege egg egi egl egm ego egp egr egs eib eie eig eii eil eim eio eip eir eis elb ele elg eli ell elm elo elp elr els em- emb eme emg emi eml emm emo emp emr ems eo- eob eoe eog eoi eol eom eoo eop eor eos ep- epb epe epg epi epl epm epo epp epr eps erb ere erg eri erl erm ero erp err ers es- esb ese esg esi esl esm eso esp esr ess g-p gbe gbg gbi gbl gbm gbo gbp gbr gbs ge- geb gee geg gei gel gem geo gep ger ges ggb ggg ggi ggm ggo ggp ggr ggs gib gie gig gii gil gim gio gip gir gis glb gle glg gli gll glm glo glp glr gls gmb gme gmg gmi gml gmm gmo gmp gmr gms gob goe gog goi gol gom goo gop gor gos gpb gpe gpg gpi gpl gpm gpo gpp gpr gps grb gre grg gri grl grm gro grp grr grs gsb gse gsg gsi gsl gsm gso gsp gsr gss ibb ibe ibg ibi ibl ibm ibo ibp ibr ibs ie- iee ieg iei iel iem iep ier ies igb ige igg igi igl igm igo igp igr igs iib iie iii iil iim iio iip iir iis il- ilb ile ilg ili ill ilm ilo ilp ilr ils im- imb ime img imi iml imm imo imp ims io- iob ioe iog ioi iol iom ioo iop ior ios ipb ipe ipg ipi ipl ipm ipo ipp ipr ips ir- irb ire irg iri irl irm iro irp irr irs is- isb ise isg isi isl ism iso isp isr iss l-p lbb lbe lbg lbi lbl lbm lbo lbp lbr lbs leb lee leg lei lel lem leo lep ler les lgb lge lgg lgi lgl lgm lgo lgp lgr lgs lib lie lig lii lil lim lio lip lir lis llb lle llg lli lll llm llo llp llr lls lmb lme lmg lmi lml lmm lmo lmp lmr lms lob loe log loi lol lom loo lop lor los lpb lpe lpg lpi lpl lpm lpo lpp lpr lps lrb lrg lri lrm lro lrp lrr lrs lsb lse lsg lsi lsl lsm lso lsp lsr lss m-o m-r mbb mbe mbg mbi mbl mbm mbo mbp mbr mbs meb mee meg mei mel mem meo mep mer mes mgb mge mgi mgl mgm mgo mgp mgr mgs mi- mib mie mig mii mil mim mio mip mir mis mlb mle mlg mli mll mlm mlo mlp mlr mls mmb mme mmg mmi mml mmm mmo mmp mmr mms mob moe mog moi mol mom moo mop mor mos mpb mpe mpg mpi mpl mpm mpo mpp mpr mps mrb mre mrg mri mrl mrm mro mrp mrr mrs msb mse msg msi msl msm mso msp msr mss o-i ob- obb obe obg obi obl obm obo obp obr obs oeb oee oeg oei oel oem oeo oep oer oes oge ogg ogi ogl ogo ogp ogs oib oie oii oil oim oio oip oir ois olb ole olg oli oll olm olo olp ols om- omb ome omg omi oml omm omo omp omr oms oo- oob oog ooi ool oom ooo oop oor oos op- opb ope opg opi opl opm opo opp opr ops or- orb ore org ori orl orm oro orp orr ors os- osb ose osg osi osl osm oso osp osr oss p-p pbb pbe pbg pbi pbl pbm pbo pbp pbr pbs peb pee peg pei pel pem peo pep per pes pgb pge pgg pgi pgl pgm pgo pgp pgr pgs pib pie pig pii pil pim pio pip pir pis plb ple plg pli pll plm plo plp plr pls pmb pme pmg pmi pml pmm pmo pmp pmr pms pob poe pog poi pol pom poo pop por pos ppb ppe ppg ppi ppl ppm ppo ppp ppr pps prb pre prg pri prl prm pro prp prr prs ps- psb pse psg psi psl psm pso psp psr pss rbb rbe rbg rbi rbl rbm rbo rbp rbr rbs re- reb ree reg rei rel rem reo rep rer res rgb rge rgg rgi rgo rgp rgr rgs rib rie rig rii ril rim rio rip rir ris rle rlg rli rll rlm rlo rlp rlr rls rmb rme rmg rmi rml rmm rmo rmp rmr rms rob roe rog roi rol rom roo rop ror ros rpb rpe rpg rpi rpl rpm rpo rpp rpr rps rrb rrg rri rrl rrm rrp rrr rrs rsb rse rsg rsi rsl rsm rso rsp rsr rss sbb sbe sbg sbi sbl sbm sbo sbp sbr sbs se- seb see seg sei sel sem seo sep ser ses sgb sge sgg sgi sgl sgm sgo sgp sgr sgs sib sie sig sii sil sim sio sip sir sis slb sle slg sli sll slm slo slp slr sls smb sme smg smi sml smm smo smp smr sms sob soe sog soi sol som soo sop sor sos spb spe spg spi spl spm spo spp spr sps sr- srb sre srg sri srl srm sro srp srr