-er bbb bbe bbg bbk bbo bbr bbs be- beb bee beg bek beo ber bes bgb bge bgg bgk bgo bgr bgs bkb bke bkg bkk bko bkr bks bob boe bog bok boo bor bos brb bre brg brk bro brr brs bsb bse bsg bsk bso bsr bss ebb ebe ebg ebk ebo ebr ebs eeb eee eeg eek eeo eer ees egb ege egg ego egr egs ekb eke ekg eko ekr eks eo- eob eoe eog eok eoo eor eos erb ere erg erk ero err ers es- esb ese esg esk eso esr ess gbe gbg gbk gbo gbr gbs ge- geb gee geg gek geo ger ges ggb ggg ggo ggr ggs gkb gko gks gob goe gog gok goo gor gos grb gre grg grk gro grr grs gsb gse gsg gsk gso gsr gss kbb kbe kbk kbo kbr kbs ke- keb kee keg kek keo ker kes kgb kgo kgs kkb kke kkk kkr kks kob koe kog kok koo kor kos krg krk kro krr krs ksb kse ksg ksk kso ksr kss ob- obb obe obg obk obo obr obs oeb oee oeg oeo oer oes oge ogg ogo ogs okb oke okg okk oko okr oks oo- oob oog ook ooo oor oos or- orb ore org ork oro orr ors os- osb ose osg osk oso osr oss rbb rbe rbg rbk rbo rbr rbs re- reb ree reg rek reo rer res rgb rge rgg rgk rgo rgr rgs rkb rke rkg rkk rko rks rob roe rog rok roo ror ros rrb rrg rrk rrr rrs rsb rse rsg rsk rso rsr rss sbb sbe sbg sbk sbo sbr sbs se- seb see seg sek seo ser ses sgb sge sgg sgk sgo sgr sgs sk- skb ske skg skk sko skr sks sob soe sog sok soo sor sos sr- srb sre srg srk sro srr srs ss- ssb sse ssg ssk sso ssr sss

-ose bbbb bbbs bbeb bbrg bebb bebe bebo beeb beeg beek beer bees begg bego begs beke beko beks beo- beok beor beos bere berg berk bero berr bers bes- bese besk beso bess bggs bobb bobe bobo bobs boee boeo boer boes boge bogg bogo bogs boke boko boks boob booe boog book boor boos bor- bore borg bork boro borr bors bose bosk boso boss breb bree breg brek breo brer bres brkb brob broe brog brok broo bror bros brrr brrs brsb brsr bseb bsee bseg bser bses bsgs bsos bsse ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebro eeee eees eegs eeke eeks eerg eero eers eese eesk egbe egee eger eggb egge eggo eggs egks ego- egor egos egre egss ekeb ekek eker ekes ekgs ekos eoes eore erbb erbe ereb erer eres erg- ergg ergo ergs erke erks erob eroe eroo eros erre erro errs erse erso esbo esbs esee esek eseo eser eses eske esko esks eso- esok esos esse essg esso gbbo gbbs gebe geek geer gees gege gegg gego geko geo- geog geos gerb gere gero gers gesg gesk geso gess gggg ggss gobe gobo gobs goer goes gogo gogs goke goog gook goor goos gorb gore gorg goro gorr gors gose goso goss grbr greb gree greg gres grob grog grok groo gror gros grrr grrs grss gskb gsos gsse k-os kbbb kbbe kbbg kbbk kbbo kbbr kbbs kbeb kbee kbek kbeo kber kbes kbgb kbge kbgg kbgo kbgr kbkb kbkg kbkk kbko kbkr kbob kboe kbok kboo kbos kbrb kbre kbrg kbrk kbro kbsb kbsg kbsk kbso kbsr kbss kebb kebe kebr keek keer kees kege kegg kegk kegr kegs kekb keke keko keks keok keos ker- kerb kere kerk kero kerr kers kesb kesk keso kesr kess kgbb kgbr kgeb kgeo kggg kggo kggr kgks kgoe kgor kgos kgrb kgre kgrg kgrk kgro kgrr kgrs kgso kgsr kkbb kkbe kkbg kkbo kkbr kkbs kkeg kkgb kkgo kkgr kkkk kkob kkoo kkor kkrb kkre kkrk kkro kkrr kkrs kkse kksr kkss kobb kobe kobk kobo kobr kobs koes kogb koge kogg kogo kokb koke kokk koko kokr koks koob koog kook kooo koor koos korb kore korg kork koro korr kors kos- kosb kose kosg koso kosr koss krbb krbe krbg krbk krbr kreb kree krek kreo kres krgs krke krkk krko krkr krks krob kroe krog krok kroo kror kros krrb krre krrg krrk krro krrr krrs krse krsk krsr krss ksbr ksbs ksee kseg ksek kseo kser ksgg ksgr kskb kske kskg kskk ksko kskr ksks ksob ksok ksoo ksor ksos ksrb ksrg ksro ksrr ksrs ksse ksso kssr ksss o-eo obbo ober obes obkb oboe obok obor obos obre obro obsr obss oegb oere oers oese ogb ogbe ogee oger ogge ogog ogre ogro oker okes okgo okko okok okor okre okro okso oobe ooer ooes oooo ooos oore oose orbb orbe orbo orbs ore- oreb oreg orek oreo orer ores orge orgo orgs orke orko oro- oroe orok oror oros orro orrs orse orsk orso osbe osee osek oser oses osoo osor osos osro ossb osse osso rbbb rbbr rbbs rbss rebb rebe rebk rebo rebs reeb reek rees rege rego regr regs reke reko reks reog reos rere rerg rero rers rese reso ress rgbe rkos rkss rob- robb robe robo robs roeg roer roes roge rogg rogo roke rokk roko rokr roks roob roog rook roor roos rore rork roro rose roso ross rrrr rsee rsgb rsos rsre s-os sbbs sber sbor sbrk sbse se-e se-g se-k se-o se-s sebe sebo sebs seeb seeg seek seer sees sege segg sego segs seke sekk seko seok serb sere serg serk sero serr sers sese seso sess sger sges sggg sggs sgro sgss skee skeg skeo sker skes skoe skog skor skss sobe sobo sobr sobs soeo soes sogo sogs soke sokk soko soog sook soor soos sorb sore sorg soro sorr sors sose soso soss sreb sreo sres srgb sros