-er -ol bbb bbe bbg bbk bbl bbo bbr bbs be- beb bee beg bek bel beo ber bes bgb bge bgg bgk bgl bgo bgr bgs bkb bke bkg bkk bkl bko bkr bks blb ble blg blk bll blo blr bls bob boe bog bok bol boo bor bos brb bre brg brk brl bro brr brs bsb bse bsg bsk bsl bso bsr bss ebb ebe ebg ebk ebl ebo ebr ebs eeb eee eeg eek eel eeo eer ees egb ege egg egl ego egr egs ekb eke ekg ekl eko ekr eks elb ele elg elk ell elo elr els eo- eob eoe eog eok eol eoo eor eos erb ere erg erk erl ero err ers es- esb ese esg esk esl eso esr ess gbe gbg gbk gbl gbo gbr gbs ge- geb gee geg gek gel geo ger ges ggb ggg ggo ggr ggs gkb gko gks glb gle glg glk gll glo glr gls gob goe gog gok gol goo gor gos grb gre grg grk grl gro grr grs gsb gse gsg gsk gsl gso gsr gss kbb kbe kbk kbl kbo kbr kbs ke- keb kee keg kek kel keo ker kes kgb kgl kgo kgs kkb kke kkk kkl kkr kks kl- klb klg klo klr kls kob koe kog kok kol koo kor kos krg krk krl kro krr krs ksb kse ksg ksk ksl kso ksr kss lbb lbe lbg lbk lbl lbo lbr lbs leb lee leg lek lel leo ler les lgb lge lgg lgk lgl lgo lgr lgs lkb lkg lkl lkr lks llb lle llg llk lll llo llr lls lob loe log lok lol loo lor los lrb lrg lrk lro lrr lrs lsb lse lsg lsk lsl lso lsr lss ob- obb obe obg obk obl obo obr obs oeb oee oeg oel oeo oer oes oge ogg ogl ogo ogs okb oke okg okk okl oko okr oks olb ole olg olk oll olo ols oo- oob oog ook ool ooo oor oos or- orb ore org ork orl oro orr ors os- osb ose osg osk osl oso osr oss rbb rbe rbg rbk rbl rbo rbr rbs re- reb ree reg rek rel reo rer res rgb rge rgg rgk rgo rgr rgs rkb rke rkg rkk rko rks rle rlg rll rlo rlr rls rob roe rog rok rol roo ror ros rrb rrg rrk rrl rrr rrs rsb rse rsg rsk rsl rso rsr rss sbb sbe sbg sbk sbl sbo sbr sbs se- seb see seg sek sel seo ser ses sgb sge sgg sgk sgl sgo sgr sgs sk- skb ske skg skk skl sko skr sks slb sle slg slk sll slo slr sls sob soe sog sok sol soo sor sos sr- srb sre srg srk srl sro srr srs ss- ssb sse ssg ssk ssl sso ssr sss

-ose bbbb bbbs bbeb bblb bbls bbrg bebb bebe bebo beeb beeg beek beel beer bees begg bego begs beke beko beks bele belg belk bell belo bels beo- beok beor beos bere berg berk bero berr bers bes- bese besk beso bess bggs bleb blee bleg blek bleo bles blkb blls blob blog blok bloo blrg blss bobb bobe bobo bobs boee boel boeo boer boes boge bogg bogo bogs boke boko boks bole bolg bolk boll bolo bols boob booe boog book bool boor boos bor- bore borg bork boro borr bors bose bosk boso boss breb bree breg brek brel breo brer bres brkb brls brob broe brog brok brol broo bror bros brrr brrs brsb brsr bseb bsee bseg bser bses bsgs bsos bsse ebbo ebbr ebbs ebel eber ebes eboe ebol eboo ebor ebos ebro eeee eees eegs eeke eeks eele eels eerg eero eers eese eesk egbe egee egel eger eggb egge eggo eggs egks egle ego- egol egor egos egre egsl egss ekeb ekek eker ekes ekgs ekos el-b elbe elbo elee elek eleo eler eles elgg elke elko elks elle ello ells elog elok elos elro else elso eoes eole eolo eore eorl erbb erbe ereb erel erer eres erg- ergg ergo ergs erke erks erle erll erob eroe erol eroo eros erre erro errs erse erso esbo esbs esee esek esel eseo eser eses eske esko esks eso- esok esol esos esse essg essl esso gbbo gbbs gebe geek geel geer gees gege gegg gegl gego geko gelb gele gelg gell gelo gels geo- geog geol geos gerb gere gerl gero gers gesg gesk geso gess gggg ggss gleb glee gleg gleo gles glge glob glog glor glos glrb glro gobe gobl gobo gobs goel goer goes gogo gogs goke gole golk goll golo gols goog gook gool goor goos gorb gore gorg goro gorr gors gose goso goss grbr greb gree greg gres grob grog grok grol groo gror gros grrl grrr grrs grss gskb gsos gsse k-lo k-os kbbb kbbe kbbg kbbk kbbl kbbo kbbr kbbs kbeb kbee kbek kbel kbeo kber kbes kbgb kbge kbgg kbgl kbgo kbgr kbkb kbkg kbkk kbkl kbko kbkr kblb kble kblg kbll kblo kblr kbls kbob kboe kbok kboo kbos kbrb kbre kbrg kbrk kbrl kbro kbsb kbsg kbsk kbso kbsr kbss kebb kebe kebr keek keel keer kees kege kegg kegk kegl kegr kegs kekb keke kekl keko keks kele kelg kelk kell kelo keok keol keos ker- kerb kere kerk kerl kero kerr kers kesb kesk keso kesr kess kgbb kgbr kgeb kgeo kggg kggl kggo kggr kgkl kgks kglb kgle kglk kglo kglr kgls kgoe kgol kgor kgos kgrb kgre kgrg kgrk kgro kgrr kgrs kgsl kgso kgsr kkbb kkbe kkbg kkbl kkbo kkbr kkbs kkeg kkgb kkgl kkgo kkgr kkkk kklb kkll kklo kkls kkob kkol kkoo kkor kkrb kkre kkrk kkrl kkro kkrr kkrs kkse kksr kkss klbb klbe klbl klbs kleb klee klek kleo kler kles klgb klgl klgo klgr klkk klkl klko klkr klks kllb klle kllk