-er -ol bbb bbe bbf bbg bbi bbl bbo bbr bbs be- beb bee bef beg bei bel beo ber bes bfb bfe bff bfg bfi bfl bfo bfr bfs bgb bge bgf bgg bgi bgl bgo bgr bgs bi- bib bie bif big bii bil bio bir bis blb ble blf blg bli bll blo blr bls bob boe bof bog boi bol boo bor bos brb bre brf brg bri brl bro brr brs bsb bse bsf bsg bsi bsl bso bsr bss ebb ebe ebf ebg ebi ebl ebo ebr ebs eeb eee eef eeg eel eeo eer ees ef- efb efe eff efg efi efl efo efr efs egb ege egf egg egi egl ego egr egs eib eie eif eig eii eil eio eir eis elb ele elf elg eli ell elo elr els eo- eob eoe eof eog eoi eol eoo eor eos erb ere erf erg eri erl ero err ers es- esb ese esf esg esi esl eso esr ess fbb fbe fbf fbg fbi fbl fbo fbr fbs feb fee fef feg fei fel feo fer fes ffe fff ffg ffi ffl ffo ffr ffs fgb fge fgf fgg fgi fgl fgr fgs fib fie fif fig fii fil fir fis flb fle flf flg fli fll flo flr fls fob foe fof fog foi fol foo for fos frb fre frf frg fri frl fro frr frs fsb fse fsf fsg fsi fsl fso fsr fss gbe gbf gbg gbi gbl gbo gbr gbs ge- geb gee gef geg gei gel geo ger ges gfb gfe gff gfi gfl gfo gfr gfs ggb ggg ggi ggo ggr ggs gib gie gif gig gii gil gio gir gis glb gle glf glg gli gll glo glr gls gob goe gof gog goi gol goo gor gos grb gre grf grg gri grl gro grr grs gsb gse gsf gsg gsi gsl gso gsr gss i-f ibb ibe ibf ibg ibi ibl ibo ibr ibs ie- iee ief ieg iei iel ier ies ifb ife iff ifg ifi ifl ifo ifr ifs igb ige igf igg igi igl igo igr igs iib iie iif iii iil iio iir iis il- ilb ile ilf ilg ili ill ilo ilr ils io- iob ioe iof iog ioi iol ioo ior ios ir- irb ire irf irg iri irl iro irr irs is- isb ise isf isg isi isl iso isr iss lbb lbe lbf lbg lbi lbl lbo lbr lbs leb lee lef leg lei lel leo ler les lfb lfe lff lfg lfi lfl lfo lfr lfs lgb lge lgf lgg lgi lgl lgo lgr lgs lib lie lif lig lii lil lio lir lis llb lle llf llg lli lll llo llr lls lob loe lof log loi lol loo lor los lrb lrf lrg lri lro lrr lrs lsb lse lsf lsg lsi lsl lso lsr lss o-i ob- obb obe obf obg obi obl obo obr obs oeb oee oef oeg oei oel oeo oer oes of- ofb ofe off ofg ofi ofl ofo ofr ofs oge ogf ogg ogi ogl ogo ogs oib oie oif oii oil oio oir ois olb ole olf olg oli oll olo ols oo- oob oof oog ooi ool ooo oor oos or- orb ore orf org ori orl oro orr ors os- osb ose osf osg osi osl oso osr oss rbb rbe rbf rbg rbi rbl rbo rbr rbs re- reb ree ref reg rei rel reo rer res rfb rfe rff rfg rfi rfl rfo rfr rfs rgb rge rgf rgg rgi rgo rgr rgs rib rie rif rig rii ril rio rir ris rle rlf rlg rli rll rlo rlr rls rob roe rof rog roi rol roo ror ros rrb rrf rrg rri rrl rrr rrs rsb rse rsf rsg rsi rsl rso rsr rss sbb sbe sbf sbg sbi sbl sbo sbr sbs se- seb see sef seg sei sel seo ser ses sfb sfe sff sfg sfi sfl sfo sfr sfs sgb sge sgf sgg sgi sgl sgo sgr sgs sib sie sif sig sii sil sio sir sis slb sle slf slg sli sll slo slr sls sob soe sof sog soi sol soo sor sos sr- srb sre srf srg sri srl sro srr srs ss- ssb sse ssf ssg ssi ssl sso ssr sss

-ose bbbb bbbs bbeb bblb bbls bbrg bebb bebe bebi bebo beeb beef beeg beel beer bees befe beff befo begg begi bego begs beil beir beis bele belg beli bell belo bels beo- beof beor beos bere berg beri bero berr bers bes- bese beso bess bffl bffs bfgf bfsi bfsr bggs bibb bibe bibi bibl bibo bibs bieb bief biel bier bies biff bifi bigb bige bigg bigo bigs biis bile bili bill bilo bils bio- biog bioi biol bios birb bire birg biri birl biro birr birs bis- bise bisl biso biss bleb blee bleg blei bleo bles blio blir blis blls blob blog bloo blrg blss bobb bobe bobi bobo bobs boee boef boel boeo boer boes bofe boff bofs boge bogg bogi bogo bogs boi- boie boii boil bois bole bolg boli boll bolo bols boob booe boof boog bool boor boos bor- bore borf borg bori boro borr bors bose bosi boso boss breb bree bref breg brei brel breo brer bres brie brig bril brio bris brls brob broe brog brol broo bror bros brrr brrs brsb brsr bseb bsee bseg bser bses bsff bsfs bsgs bsos bsse ebbo ebbr ebbs ebel eber ebes ebis ebli eboe ebol eboo ebor ebos ebro eeee eees eefe eefl eegs eele eels eerg eero eers eese eesi ef-g efbr efeo efes effi effs efil efor efsi egbe egee egel eger egfr eggb egge eggi eggo eggs egil egir egis egle egli ego- egoi egol egor egos egre egri egsl egss eiei eier eies eifs eige eigg eile eire eirs eise eiso eiss el-b elbe elbi elbo