-er b-p bbb bbe bbg bbo bbp bbr bbs be- beb bee beg beo bep ber bes bgb bge bgg bgo bgp bgr bgs bob boe bog boo bop bor bos bpb bpe bpg bpo bpp bpr bps brb bre brg bro brp brr brs bsb bse bsg bso bsp bsr bss ebb ebe ebg ebo ebp ebr ebs eeb eee eeg eeo eep eer ees egb ege egg ego egp egr egs eo- eob eoe eog eoo eop eor eos ep- epb epe epg epo epp epr eps erb ere erg ero erp err ers es- esb ese esg eso esp esr ess g-p gbe gbg gbo gbp gbr gbs ge- geb gee geg geo gep ger ges ggb ggg ggo ggp ggr ggs gob goe gog goo gop gor gos gpb gpe gpg gpo gpp gpr gps grb gre grg gro grp grr grs gsb gse gsg gso gsp gsr gss ob- obb obe obg obo obp obr obs oeb oee oeg oeo oep oer oes oge ogg ogo ogp ogs oo- oob oog ooo oop oor oos op- opb ope opg opo opp opr ops or- orb ore org oro orp orr ors os- osb ose osg oso osp osr oss p-p pbb pbe pbg pbo pbp pbr pbs peb pee peg peo pep per pes pgb pge pgg pgo pgp pgr pgs pob poe pog poo pop por pos ppb ppe ppg ppo ppp ppr pps prb pre prg pro prp prr prs ps- psb pse psg pso psp psr pss rbb rbe rbg rbo rbp rbr rbs re- reb ree reg reo rep rer res rgb rge rgg rgo rgp rgr rgs rob roe rog roo rop ror ros rpb rpe rpg rpo rpp rpr rps rrb rrg rrp rrr rrs rsb rse rsg rso rsp rsr rss sbb sbe sbg sbo sbp sbr sbs se- seb see seg seo sep ser ses sgb sge sgg sgo sgp sgr sgs sob soe sog soo sop sor sos spb spe spg spo spp spr sps sr- srb sre srg sro srp srr srs ss- ssb sse ssg sso ssp ssr sss

-ose bbbb bbbs bbeb bbpr bbrg bebb bebe bebo beeb beeg beep beer bees begg bego begs beo- beor beos bepo bere berg bero berr bers bes- bese beso bess bggs bobb bobe bobo bobs boee boeo boep boer boes boge bogg bogo bogs boob booe boog boop boor boos bope bopp bops bor- bore borg boro borr bors bose boso boss bpoe breb bree breg breo brep brer bres brob broe brog broo bror bros brrr brrs brsb brsr bseb bsee bseg bser bses bsgs bsos bspp bspr bsse ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebpo ebro eeee eees eegs eeps eerg eero eers eese egbe egee eger eggb egge eggo eggp eggs ego- egor egos egpb egpe egpo egre egss eoes eore epee eper epes epor epos eppo eppp epps eprb epro eprp eprs epsp epss erbb erbe ereb erer eres erg- ergg ergo ergs erob eroe eroo eros erpe erps erre erro errs erse erso esbo esbs esee eseo eser eses eso- esop esos espe espo espp esps esse essg esso essp gbbo gbbs gebe geep geer gees gege gegg gego geo- geog geos gepe gerb gere gero gers gesg geso gess gggg ggpo ggss gobe gobo gobs goer goes gogo gogs goog goop goor goos gope gopo gops gorb gore gorg goro gorp gorr gors gose goso goss gper gpgp gpos gprp gprs gpsg gpso gpss grbr greb gree greg grep gres grob grog groo grop gror gros grps grrr grrs grss gsos gsse o-eo obbo ober obes oboe obor obos obre obro obsr obss oegb oeps oere oers oese ogb ogbe ogee oger ogge ogog ogre ogro oobe ooer ooes oooo ooos oops oore oose opep oper opes opo- opor opos oppo opps orbb orbe orbo orbs ore- oreb oreg oreo orer ores orge orgo orgs oro- oroe oror oros orpe orps orro orrs orse orso osbe osbp osee oser oses osoo osor osos osro ossb osse osso pbrs pbsp peep peer pees pegg pego pegs peor pepe pepo peps per- pere perg pero perp perr pers pese peso pess pger pgss pobo pobs poer poes poge pogg pogo pogs poop poor poos pop- pope popo popp pops porb pore porg poro porr pors posb pose poso poss pper ppos pppo pppp ppps ppss prbs pre- preb pree preg prep pres prgs pro- prob proe prog proo prop pros prps prrs prse prso prss psbr pseb pseg psgr psos pspp pspr psps psrp psse psso rbbb rbbr rbbs rbsp rbss rebb rebe rebo rebs reeb reep rees rege rego regr regs reog reop reos repe repo repp repr reps rere rerg rero rers rese reso resp ress rgbe rob- robb robe robo robs roeg roer roes roge rogg rogo roob roog roop roor roos rope ropo rops rore roro rose roso rosp ross rpgs rpob rpoe rpos rpps rrrr rrsp rsee rsgb rsos rspb rspo rsps rsre s-os sbbs sber sbor sbse sbsp se-e se-g se-o se-s sebe sebo sebs seeb seeg seep seer sees sege segg sego segs seop sepe sepg sepo sepp sepr seps serb sere serg sero serp serr sers sese seso sess sger sges sggg sggs sgps sgro sgss sobe sobo sobp sobr sobs soeo soep soes sogo sogs soog soop soor soos sope sopo sopp sops sorb sore sorg soro sorr sors sose soso soss speb spee speg sper spes spgb spoo spop spor spos spps spro sprs spse spso spsp spss sreb sreo sres srgb sros srps srsp ssbr ssee ssep sses ssgs ssop sspe sspo ssps ssrg ssrs sssb ssss

bbbee bbser be-er be-ro beber bebes bebog bebop beebe beebs beeps beers begee begge beggs begob begor bepop beppe beppo berbe bereg beres berge bergs berob beroe beror berre berse besee besob besos besse besso bo-bo bobos bobr bobre boege boeps boero boers boese boger bogge boggs bogoe bogor bogos