-er -ol b-p bbb bbd bbe bbg bbl bbo bbp bbr bdb bdd bde bdg bdl bdo bdp bdr be- beb bed bee beg bel beo bep ber bgb bgd bge bgg bgl bgo bgp bgr blb bld ble blg bll blo blp blr bob bod boe bog bol boo bop bor bpb bpd bpe bpg bpl bpo bpp bpr brb brd bre brg brl bro brp brr dbb dbd dbe dbg dbl dbo dbp dbr ddb ddd dde ddg ddl ddo ddp ddr de- deb ded dee deg del deo dep der dgd dge dgg dgl dgp dgr dl- dlb dld dle dlg dll dlo dlp dlr dob dod doe dog dol doo dop dor dpb dpd dpe dpg dpl dpo dpp dpr drb drd dre drg drl dro drp drr ebb ebd ebe ebg ebl ebo ebp ebr ed- edb edd ede edg edl edo edp edr eeb eed eee eeg eel eeo eep eer egb egd ege egg egl ego egp egr elb eld ele elg ell elo elp elr eo- eob eod eoe eog eol eoo eop eor ep- epb epd epe epg epl epo epp epr erb erd ere erg erl ero erp err g-d g-p gbd gbe gbg gbl gbo gbp gbr gdb gdd gde gdl gdo gdp gdr ge- geb ged gee geg gel geo gep ger ggb ggd ggg ggo ggp ggr glb gld gle glg gll glo glp glr gob god goe gog gol goo gop gor gpb gpd gpe gpg gpl gpo gpp gpr grb grd gre grg grl gro grp grr l-p lbb lbd lbe lbg lbl lbo lbp lbr ldb ldd lde ldg ldl ldo ldp ldr leb led lee leg lel leo lep ler lgb lgd lge lgg lgl lgo lgp lgr llb lld lle llg lll llo llp llr lob lod loe log lol loo lop lor lpb lpd lpe lpg lpl lpo lpp lpr lrb lrd lrg lro lrp lrr ob- obb obd obe obg obl obo obp obr odb odd ode odg odl odo odp odr oeb oed oee oeg oel oeo oep oer ogd oge ogg ogl ogo ogp olb old ole olg oll olo olp oo- oob ood oog ool ooo oop oor op- opb opd ope opg opl opo opp opr or- orb ord ore org orl oro orp orr p-p pbb pbd pbe pbg pbl pbo pbp pbr pdb pdd pde pdg pdl pdo pdp pdr peb ped pee peg pel peo pep per pgb pgd pge pgg pgl pgo pgp pgr plb pld ple plg pll plo plp plr pob pod poe pog pol poo pop por ppb ppd ppe ppg ppl ppo ppp ppr prb prd pre prg prl pro prp prr rbb rbd rbe rbg rbl rbo rbp rbr rdb rdd rde rdg rdl rdo rdp rdr re- reb red ree reg rel reo rep rer rgb rgd rge rgg rgo rgp rgr rld rle rlg rll rlo rlp rlr rob rod roe rog rol roo rop ror rpb rpd rpe rpg rpl rpo rpp rpr rrb rrd rrg rrl rrp rrr