-er -ol b-p bbb bbd bbe bbg bbl bbo bbp bbr bbs bdb bdd bde bdg bdl bdo bdp bdr bds be- beb bed bee beg bel beo bep ber bes bgb bgd bge bgg bgl bgo bgp bgr bgs blb bld ble blg bll blo blp blr bls bob bod boe bog bol boo bop bor bos bpb bpd bpe bpg bpl bpo bpp bpr bps brb brd bre brg brl bro brp brr brs bsb bsd bse bsg bsl bso bsp bsr bss dbb dbd dbe dbg dbl dbo dbp dbr dbs ddb ddd dde ddg ddl ddo ddp ddr dds de- deb ded dee deg del deo dep der des dgd dge dgg dgl dgp dgr dgs dl- dlb dld dle dlg dll dlo dlp dlr dls dob dod doe dog dol doo dop dor dos dpb dpd dpe dpg dpl dpo dpp dpr dps drb drd dre drg drl dro drp drr drs dsb dsd dse dsg dsl dso dsp dsr dss ebb ebd ebe ebg ebl ebo ebp ebr ebs ed- edb edd ede edg edl edo edp edr eds eeb eed eee eeg eel eeo eep eer ees egb egd ege egg egl ego egp egr egs elb eld ele elg ell elo elp elr els eo- eob eod eoe eog eol eoo eop eor eos ep- epb epd epe epg epl epo epp epr eps erb erd ere erg erl ero erp err ers es- esb esd ese esg esl eso esp esr ess g-d g-p gbd gbe gbg gbl gbo gbp gbr gbs gdb gdd gde gdl gdo gdp gdr gds ge- geb ged gee geg gel geo gep ger ges ggb ggd ggg ggo ggp ggr ggs glb gld gle glg gll glo glp glr gls gob god goe gog gol goo gop gor gos gpb gpd gpe gpg gpl gpo gpp gpr gps grb grd gre grg grl gro grp grr grs gsb gsd gse gsg gsl gso gsp gsr gss l-p lbb lbd lbe lbg lbl lbo lbp lbr lbs ldb ldd lde ldg ldl ldo ldp ldr lds leb led lee leg lel leo lep ler les lgb lgd lge lgg lgl lgo lgp lgr lgs llb lld lle llg lll llo llp llr lls lob lod loe log lol loo lop lor los lpb lpd lpe lpg lpl lpo lpp lpr lps lrb lrd lrg lro lrp lrr lrs lsb lsd lse lsg lsl lso lsp lsr lss ob- obb obd obe obg obl obo obp obr obs odb odd ode odg odl odo odp odr ods oeb oed oee oeg oel oeo oep oer oes ogd oge ogg ogl ogo ogp ogs olb old ole olg oll olo olp ols oo- oob ood oog ool ooo oop oor oos op- opb opd ope opg opl opo opp opr ops or- orb ord ore org orl oro orp orr ors os- osb osd ose osg osl oso osp osr oss p-p pbb pbd pbe pbg pbl pbo pbp pbr pbs pdb pdd pde pdg pdl pdo pdp pdr pds peb ped pee peg pel peo pep per pes pgb pgd pge pgg pgl pgo pgp pgr pgs plb pld ple plg pll plo plp plr pls pob pod poe pog pol poo pop por pos ppb ppd ppe ppg ppl ppo ppp ppr pps prb prd pre prg prl pro prp prr prs ps- psb psd pse psg psl pso psp psr pss rbb rbd rbe rbg rbl rbo rbp rbr rbs rdb rdd rde rdg rdl rdo rdp rdr rds re- reb red ree reg rel reo rep rer res rgb rgd rge rgg rgo rgp rgr rgs rld rle rlg rll rlo rlp rlr rls rob rod roe rog rol roo rop ror ros rpb rpd rpe rpg rpl rpo rpp rpr rps rrb rrd rrg rrl rrp rrr rrs rsb rsd rse rsg rsl rso rsp rsr rss sbb sbd sbe sbg sbl sbo sbp sbr sbs sdb sdd sde sdg sdl sdo sdp sdr sds se- seb sed see seg sel seo sep ser ses sgb sgd sge sgg sgl sgo sgp sgr sgs slb sld sle slg sll slo slp slr sls sob sod soe sog sol soo sop sor sos spb spd spe spg spl spo spp spr sps sr- srb srd sre srg srl sro srp srr srs ss- ssb ssd sse ssg ssl sso ssp ssr sss