-er bbb bbe bbg bbk bbo bbr bbs bbt be- beb bee beg bek beo ber bes bet bgb bge bgg bgk bgo bgr bgs bgt bkb bke bkg bkk bko bkr bks bkt bob boe bog bok boo bor bos bot brb bre brg brk bro brr brs brt bsb bse bsg bsk bso bsr bss bst btb bte btg btk bto btr bts btt ebb ebe ebg ebk ebo ebr ebs ebt eeb eee eeg eek eeo eer ees eet egb ege egg ego egr egs egt ekb eke ekg eko ekr eks ekt eo- eob eoe eog eok eoo eor eos eot erb ere erg erk ero err ers ert es- esb ese esg esk eso esr ess est etb ete etg etk eto etr ets ett gbe gbg gbk gbo gbr gbs gbt ge- geb gee geg gek geo ger ges get ggb ggg ggo ggr ggs ggt gkb gko gks gkt gob goe gog gok goo gor gos got grb gre grg grk gro grr grs grt gsb gse gsg gsk gso gsr gss gst gtb gte gtg gtk gto gtr gts gtt k-t kbb kbe kbk kbo kbr kbs ke- keb kee keg kek keo ker kes ket kgb kgo kgs kkb kke kkk kkr kks kkt kob koe kog kok koo kor kos kot krg krk kro krr krs krt ksb kse ksg ksk kso ksr kss kst ktb kte ktg ktk kto ktr kts ktt ob- obb obe obg obk obo obr obs obt oeb oee oeg oeo oer oes oet oge ogg ogo ogs ogt okb oke okg okk oko okr oks oo- oob oog ook ooo oor oos oot or- orb ore org ork oro orr ors ort os- osb ose osg osk oso osr oss ost ot- otb ote otg otk oto otr ots ott rbb rbe rbg rbk rbo rbr rbs rbt re- reb ree reg rek reo rer res ret rgb rge rgg rgk rgo rgr rgs rgt rkb rke rkg rkk rko rks rkt rob roe rog rok roo ror ros rot rrb rrg rrk rrr rrs rrt rsb rse rsg rsk rso rsr rss rst rtb rte rtg rtk rto rtr rts rtt sbb sbe sbg sbk sbo sbr sbs sbt se- seb see seg sek seo ser ses set sgb sge sgg sgk sgo sgr sgs sgt sk- skb ske skg skk sko skr sks skt sob soe sog sok soo sor sos sot sr- srb sre srg srk sro srr srs srt ss- ssb sse ssg ssk sso ssr sss sst stb ste stg stk sto str sts stt tbb tbe tbg tbk tbo tbr tbs tbt te- teb tee teg tek teo ter tes tet tgb tge tgg tgk tgo tgr tgs tgt tkb tke tkg tkk tko tkr tks tkt to- tob toe tog tok too tor tos tot trb tre trg trk tro trr trs trt tsb tse tsg tsk tso tsr tss tst ttb tte ttg ttk tto ttr tts ttt

-ose bbbb bbbs bbeb bbet bbrg bebb bebe bebo beeb beeg beek beer bees beet begg bego begs beke beko beks beo- beok beor beos beot bere berg berk bero berr bers bert bes- bese besk beso bess best bete beto bets bett bggs bgst bobb bobe bobo bobs boee boeo boer boes boet boge bogg bogo bogs bogt boke boko boks boob booe boog book boor boos boot bor- bore borg bork boro borr bors bort bose bosk boso boss bost botb bote boto bots bott breb bree breg brek breo brer bres bret brkb brob broe brog brok broo bror bros brot brrr brrs brsb brsr brst bseb bsee bseg bser bses bset bsgs bskt bsos bsse bsts btek btob btor btrt btss bttb ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebro eeee eees eegs eeke eeks eerg eero eers eese eesk eete eets egbe egee eger eggb egge eggo eggs egks ego- egor egos egot egre egss egte egtk egts ekeb ekek eker ekes eket ekgs ekos eoes eore eost eoto eots erbb erbe ereb erer eres eret erg- ergg ergo ergs erke erks erob eroe eroo eros erre erro errs erse erso erst erts esbo esbs esee esek eseo eser eses eset eske esko esks eso- esok esos esse essg esso esst este esto estr ests etbr etee eter etes etoe etok etos etre etro ette etto gbbo gbbs gebe geek geer gees geet gege gegg gego geko geo- geog geos gerb gere gero gers gert gesg gesk geso gess gest getb gete getg getk geto gets gett ggbt gggg ggss gobe gobo gobs goer goes gogo gogs goke goog gook goor goos goot gorb gore gorg goro gorr gors gort gose goso goss gost gote goto gots gott grbr greb gree greg gres gret grob grog grok groo gror gros grot grrr grrs grss gskb gsos gsse gstr gtbr gtoe gtos k-os kbbb kbbe kbbg kbbk kbbo kbbr kbbs kbbt kbeb kbee kbek kbeo kber kbes kbet kbgb kbge kbgg kbgo kbgr kbgt kbkb kbkg kbkk kbko kbkr kbob kboe kbok kboo kbos kbot kbrb kbre kbrg kbrk kbro kbrt kbsb kbsg kbsk kbso kbsr kbss kbst kbtb kbte kbtk kbto kbtr kbts kbtt kebb kebe kebr kebt keek keer kees keet kege kegg kegk kegr kegs kekb keke keko keks keok keos ker- kerb kere kerk kero kerr kers kert kesb kesk keso kesr kess kest ket- kete ketk keto ketr kets kett kgbb kgbr kgbt kgeb kgeo kget kggg kggo kggr kgks kgoe kgor kgos kgot kgrb kgre kgrg kgrk kgro kgrr kgrs kgrt kgso kgsr kgst kgtk kgto kgts kkbb kkbe kkbg kkbo kkbr kkbs kkbt kkeg kkgb kkgo kkgr kkkk kkob kkoo kkor kkot kkrb kkre kkrk kkro kkrr kkrs kkrt kkse kksr kkss kkst kktk kkts kobb kobe kobk kobo kobr kobs koes kogb koge kogg kogo kogt kokb koke kokk koko kokr koks koob koog kook kooo koor koos koot korb kore korg kork koro