-er b-p bbb bbe bbf bbg bbi bbk bbo bbp bbr be- beb bee bef beg bei bek beo bep ber bez bfb bfe bff bfg bfi bfo bfp bfr bfz bgb bge bgf bgg bgi bgk bgo bgp bgr bgz bi- bib bie bif big bii bik bio bip bir biz bkb bke bkf bkg bkk bko bkp bkr bob boe bof bog boi bok boo bop bor boz bpb bpe bpf bpg bpi bpo bpp bpr brb bre brf brg bri brk bro brp brr brz bze bzf bzo bzp bzr bzz ebb ebe ebf ebg ebi ebk ebo ebp ebr eeb eee eef eeg eek eeo eep eer ef- efb efe eff efg efi efo efp efr egb ege egf egg egi ego egp egr eib eie eif eig eii eik eio eip eir ekb eke ekf ekg eki eko ekp ekr eo- eob eoe eof eog eoi eok eoo eop eor ep- epb epe epf epg epi epo epp epr epz erb ere erf erg eri erk ero erp err erz eze ezf ezo ezr ezz fbb fbe fbf fbg fbi fbk fbo fbp fbr feb fee fef feg fei fek feo fep fer fez ffe fff ffg ffi ffk ffo ffp ffr ffz fgb fge fgf fgg fgi fgp fgr fgz fib fie fif fig fii fik fip fir fiz fkb fkf fkg fki fkk fkp fob foe fof fog foi fok foo fop for foz fpb fpe fpg fpi fpk fpo fpp fpr frb fre frf frg fri frk fro frp frr g-p gbe gbf gbg gbi gbk gbo gbp gbr gbz ge- geb gee gef geg gei gek geo gep ger gez gfb gfe gff gfi gfk gfo gfp gfr gfz ggb ggg ggi ggo ggp ggr ggz gib gie gif gig gii gik gio gip gir giz gkb gko gkp gob goe gof gog goi gok goo gop gor goz gpb gpe gpf gpg gpi gpk gpo gpp gpr gpz grb gre grf grg gri grk gro grp grr gzo gzp gzr i-f ibb ibe ibf ibg ibi ibk ibo ibp ibr ibz ie- iee ief ieg iei iek iep ier ifb ife iff ifg ifi ifo ifp ifr ifz igb ige igf igg igi igk igo igp igr iib iie iif iii iio iip iir ikb ike ikf iki ikk iko ikr io- iob ioe iof iog ioi ioo iop ior ipb ipe ipf ipg ipi ipo ipp ipr ir- irb ire irf irg iri irk iro irp irr ize izi izo izz k-z kbb kbe kbf kbi kbk kbo kbp kbr kbz ke- keb kee kef keg kei kek keo kep ker kez kff kfg kfi kfo kgb kgf kgi kgo kgp kib kie kif kig kii kik kio kip kir kiz kkb kke kki kkk kkp kkr kob koe kof kog koi kok koo kop kor koz kpe kpf kpi kpk kpo kpp kpr krf krg kri krk kro krp krr kzo o-i ob- obb obe obf obg obi obk obo obp obr oeb oee oef oeg oei oeo oep oer of- ofb ofe off ofg ofi ofo ofp ofr ofz oge ogf ogg ogi ogo ogp oib oie oif oii oik oio oip oir oiz okb oke okg oki okk oko okp okr oo- oob oof oog ooi ook ooo oop oor op- opb ope opf opg opi opk opo opp opr or- orb ore orf org ori ork oro orp orr orz oze ozo ozz p-p pbb pbe pbf pbg pbi pbk pbo pbp pbr pbz peb pee pef peg pei pek peo pep per pez pfb pfe pff pfg pfi pfk pfo pfp pfr pgb pge pgf pgg pgi pgk pgo pgp pgr pib pie pif pig pii pik pio pip pir piz pkb pke pkf pkg pki pko pkp pkr pob poe pof pog poi pok poo pop por poz ppb ppe ppf ppg ppi ppk ppo ppp ppr ppz prb pre prf prg pri prk pro prp prr prz pzk pzp rbb rbe rbf rbg rbi rbk rbo rbp rbr re- reb ree ref reg rei rek reo rep rer rez rfb rfe rff rfg rfi rfk rfo rfp rfr rfz rgb rge rgf rgg rgi rgk rgo rgp rgr rib rie rif rig rii rik rio rip rir riz rkb rke rkf rkg rkk rko rkp rkz rob roe rof rog roi rok roo rop ror roz rpb rpe rpf rpg rpi rpk rpo rpp rpr rpz rrb rrf rrg rri rrk rrp rrr rzb rze rzo z-g zbb zbr zeb zee zef zek zeo zep zer zez zfr zgb zgg zgi zib zie zif zig zik zio zip zir ziz zo- zob zoe zof zog zoi zok zoo zor zpe zpf zpg zpi zpo zpp zpr zro zrp zzr zzz

bbbb bbeb bbpr bbrg bebb bebe bebi bebo beeb beef beeg beek beep beer befe beff befo begg begi bego beik beir beke beki beko beo- beof beok beor bepo bere berg beri berk bero berr beze bezi bfgf bfpo bfpp bibb bibe bibi bibo bieb bief bier biff bifi bigb bige bigg bigo bike biko bio- biog bioi bipp birb bire birg biri birk biro birr bize bizz bkpg bkpr bobb bobe bobi bobo boee boef boeo boep boer bofe boff boge bogg bogi bogo boi- boie boii boke boki boko boob booe boof boog book boop boor booz bope bopp bor- bore borf borg bori bork boro borr borz bozi bozo bpoe breb bree bref breg brei brek breo brep brer brez brie brig brik brio briz brkb brob broe brog brok broo bror broz brrr bzer bzie bzip bzoe bzrk bzzz ebbo ebbr eber eboe eboo ebor ebpo ebro eeee eefe eeke eerg eero eeze ef-g efbr efeo effi efgp efik efke efor efze egbe egee eger egfp egfr eggb egge eggi eggo eggp egir ego- egoi egor egoz egpb egpe egpi egpo egre egri eiei eier eige eigg eike eiki eiko eipo eipr eire eizo ekeb ekek eker