-er bbb bbe bbg bbo bbr bbs bbt be- beb bee beg beo ber bes bet bgb bge bgg bgo bgr bgs bgt bob boe bog boo bor bos bot brb bre brg bro brr brs brt bsb bse bsg bso bsr bss bst btb bte btg bto btr bts btt ebb ebe ebg ebo ebr ebs ebt eeb eee eeg eeo eer ees eet egb ege egg ego egr egs egt eo- eob eoe eog eoo eor eos eot erb ere erg ero err ers ert es- esb ese esg eso esr ess est etb ete etg eto etr ets ett gbe gbg gbo gbr gbs gbt ge- geb gee geg geo ger ges get ggb ggg ggo ggr ggs ggt gob goe gog goo gor gos got grb gre grg gro grr grs grt gsb gse gsg gso gsr gss gst gtb gte gtg gto gtr gts gtt ob- obb obe obg obo obr obs obt oeb oee oeg oeo oer oes oet oge ogg ogo ogs ogt oo- oob oog ooo oor oos oot or- orb ore org oro orr ors ort os- osb ose osg oso osr oss ost ot- otb ote otg oto otr ots ott rbb rbe rbg rbo rbr rbs rbt re- reb ree reg reo rer res ret rgb rge rgg rgo rgr rgs rgt rob roe rog roo ror ros rot rrb rrg rrr rrs rrt rsb rse rsg rso rsr rss rst rtb rte rtg rto rtr rts rtt sbb sbe sbg sbo sbr sbs sbt se- seb see seg seo ser ses set sgb sge sgg sgo sgr sgs sgt sob soe sog soo sor sos sot sr- srb sre srg sro srr srs srt ss- ssb sse ssg sso ssr sss sst stb ste stg sto str sts stt tbb tbe tbg tbo tbr tbs tbt te- teb tee teg teo ter tes tet tgb tge tgg tgo tgr tgs tgt to- tob toe tog too tor tos tot trb tre trg tro trr trs trt tsb tse tsg tso tsr tss tst ttb tte ttg tto ttr tts ttt

-ose bbbb bbbs bbeb bbet bbrg bebb bebe bebo beeb beeg beer bees beet begg bego begs beo- beor beos beot bere berg bero berr bers bert bes- bese beso bess best bete beto bets bett bggs bgst bobb bobe bobo bobs boee boeo boer boes boet boge bogg bogo bogs bogt boob booe boog boor boos boot bor- bore borg boro borr bors bort bose boso boss bost botb bote boto bots bott breb bree breg breo brer bres bret brob broe brog broo bror bros brot brrr brrs brsb brsr brst bseb bsee bseg bser bses bset bsgs bsos bsse bsts btob btor btrt btss bttb ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebro eeee eees eegs eerg eero eers eese eete eets egbe egee eger eggb egge eggo eggs ego- egor egos egot egre egss egte egts eoes eore eost eoto eots erbb erbe ereb erer eres eret erg- ergg ergo ergs erob eroe eroo eros erre erro errs erse erso erst erts esbo esbs esee eseo eser eses eset eso- esos esse essg esso esst este esto estr ests etbr etee eter etes etoe etos etre etro ette etto gbbo gbbs gebe geer gees geet gege gegg gego geo- geog geos gerb gere gero gers gert gesg geso gess gest getb gete getg geto gets gett ggbt gggg ggss gobe gobo gobs goer goes gogo gogs goog 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 groo gror gros grot grrr grrs grss gsos gsse gstr gtbr gtoe gtos o-eo obbo ober obes obet oboe obor obos obot obre obro obsr obss obst obts oegb oere oers oese oest ogb ogbe ogee oger ogge ogog ogre ogro oobe ooer ooes oooo ooos oore oort oose oost ootb oots orbb orbe orbo orbs ore- oreb oreg oreo orer ores orge orgo orgs oro- oroe oror oros orot orro orrs orse orso orte orto orts osbe osee oser oses oset osoo osor osos osro ossb osse osso oste ostr osts otbs otee oter otes oto- otoe otog otoo otor otos otre otro otrs otse otsg otso otte otto otts rbbb rbbr rbbs rbss rbst rebb rebe rebo rebs reeb rees reet rege rego regr regs regt reog reos reot rere rerg rero rers rert rese reso ress rest rete reto retr rets rett rgbe rgtr rgts rob- robb robe robo robs robt roeg roer roes roet roge rogg rogo roob roog roor roos root rore roro rort rose roso ross rost rote rotg roto rotr rots rott rrrr rsee rsgb rsos rsre rsts rtee rtes rtgs rtss rtts s-os sbbs sber sbor sbot sbse sbst se-e se-g se-o se-s se-t sebe sebo sebs sebt seeb seeg seer sees seet sege segg sego segs serb sere serg sero serr sers sert sese seso sess sest set- sete seto sets sett sger sges sggg sggs sgro sgss sgts sobe sobo sobr sobs sobt soeo soes sogo sogs soog soor soos soot sorb sore sorg soro sorr sors sort sose soso soss sost sote soto sots sreb sreo sres srgb sros srtr ssbr ssee sses sset ssgs ssgt ssot ssrg ssrs sssb ssss sstb ssts stbs stee steg steo ster stes stet stge stgr stob stoe stog stoo stor stos stot stre stro strs stss sttr tbbs tbgs tbrb tbst tebo teer tees teet tegg tego tegs tegt teor teos ter- tere tero terr ters tese teso tess test tete teto tetr tets tett tgts tobe tobo tobs tobt toee toer toes toet toge togo togr togs togt toor toos toot tore torg toro torr tors tort tosb tose toso toss tost tote toto totr tots tott tre- tree treg treo tres tret trge troe trog troo tros trot trst trte trtr tses tset tsgt tsob tsos tsse tssg tssr