-er -ol b-p bbb bbe bbg bbi bbl bbo bbp bbr be- beb bee beg bei bel beo bep ber bgb bge bgg bgi bgl bgo bgp bgr bi- bib bie big bii bil bio bip bir blb ble blg bli bll blo blp blr bob boe bog boi bol boo bop bor bpb bpe bpg bpi bpl bpo bpp bpr brb bre brg bri brl bro brp brr ebb ebe ebg ebi ebl ebo ebp ebr eeb eee eeg eel eeo eep eer egb ege egg egi egl ego egp egr eib eie eig eii eil eio eip eir elb ele elg eli ell elo elp elr eo- eob eoe eog eoi eol eoo eop eor ep- epb epe epg epi epl epo epp epr erb ere erg eri erl ero erp err g-p gbe gbg gbi gbl gbo gbp gbr ge- geb gee geg gei gel geo gep ger ggb ggg ggi ggo ggp ggr gib gie gig gii gil gio gip gir glb gle glg gli gll glo glp glr gob goe gog goi gol goo gop gor gpb gpe gpg gpi gpl gpo gpp gpr grb gre grg gri grl gro grp grr ibb ibe ibg ibi ibl ibo ibp ibr ie- iee ieg iei iel iep ier igb ige igg igi igl igo igp igr iib iie iii iil iio iip iir il- ilb ile ilg ili ill ilo ilp ilr io- iob ioe iog ioi iol ioo iop ior ipb ipe ipg ipi ipl ipo ipp ipr ir- irb ire irg iri irl iro irp irr l-p lbb lbe lbg lbi lbl lbo lbp lbr leb lee leg lei lel leo lep ler lgb lge lgg lgi lgl lgo lgp lgr lib lie lig lii lil lio lip lir llb lle llg lli lll llo llp llr lob loe log loi lol loo lop lor lpb lpe lpg lpi lpl lpo lpp lpr lrb lrg lri lro lrp lrr o-i ob- obb obe obg obi obl obo obp obr oeb oee oeg oei oel oeo oep oer oge ogg ogi ogl ogo ogp oib oie oii oil oio oip oir olb ole olg oli oll olo olp oo- oob oog ooi ool ooo oop oor op- opb ope opg opi opl opo opp opr or- orb ore org ori orl oro orp orr p-p pbb pbe pbg pbi pbl pbo pbp pbr peb pee peg pei pel peo pep per pgb pge pgg pgi pgl pgo pgp pgr pib pie pig pii pil pio pip pir plb ple plg pli pll plo plp plr pob poe pog poi pol poo pop por ppb ppe ppg ppi ppl ppo ppp ppr prb pre prg pri prl pro prp prr rbb rbe rbg rbi rbl rbo rbp rbr re- reb ree reg rei rel reo rep rer rgb rge rgg rgi rgo rgp rgr rib rie rig rii ril rio rip rir rle rlg rli rll rlo rlp rlr rob roe rog roi rol roo rop ror rpb rpe rpg rpi rpl rpo rpp rpr rrb rrg rri rrl rrp rrr