-er bbb bbe bbm bbo bbr bbs bbt be- beb bee bem beo ber bes bet bmb bme bmm bmo bmr bms bmt bob boe bom boo bor bos bot brb bre brm bro brr brs brt bsb bse bsm bso bsr bss bst btb bte btm bto btr bts btt ebb ebe ebm ebo ebr ebs ebt eeb eee eem eeo eer ees eet em- emb eme emm emo emr ems emt eo- eob eoe eom eoo eor eos eot erb ere erm ero err ers ert es- esb ese esm eso esr ess est etb ete etm eto etr ets ett m-o m-r mbb mbe mbm mbo mbr mbs mbt meb mee mem meo mer mes met mmb mme mmm mmo mmr mms mmt mob moe mom moo mor mos mot mrb mre mrm mro mrr mrs mrt msb mse msm mso msr mss mst mtb mte mtm mto mtr mts mtt ob- obb obe obm obo obr obs obt oeb oee oem oeo oer oes oet om- omb ome omm omo omr oms omt oo- oob oom ooo oor oos oot or- orb ore orm oro orr ors ort os- osb ose osm oso osr oss ost ot- otb ote otm oto otr ots ott rbb rbe rbm rbo rbr rbs rbt re- reb ree rem reo rer res ret rmb rme rmm rmo rmr rms rmt rob roe rom roo ror ros rot rrb rrm rrr rrs rrt rsb rse rsm rso rsr rss rst rtb rte rtm rto rtr rts rtt sbb sbe sbm sbo sbr sbs sbt se- seb see sem seo ser ses set smb sme smm smo smr sms smt sob soe som soo sor sos sot sr- srb sre srm sro srr srs srt ss- ssb sse ssm sso ssr sss sst stb ste stm sto str sts stt tbb tbe tbm tbo tbr tbs tbt te- teb tee tem teo ter tes tet tmb tme tmm tmo tmr tms tmt to- tob toe tom too tor tos tot trb tre trm tro trr trs trt tsb tse tsm tso tsr tss tst ttb tte ttm tto ttr tts ttt

-ose bbbb bbbs bbeb bbet bebb bebe bebo beeb beem beer bees beet beme beo- beor beos beot bere berm bero berr bers bert bes- bese besm beso bess best bete beto bets bett bmts bobb bobe bobo bobs boee boeo boer boes boet bomb bome boms bomt boob booe boom boor boos boot bor- bore borm boro borr bors bort bose bosm boso boss bost botb bote boto bots bott breb bree brem breo brer bres bret brob broe brom broo bror bros brot brrm brrr brrs brsb brsr brst bseb bsee bser bses bset bsms bsmt bsos bsrm bsse bssm bsts btob btor btrt btss bttb ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebro eeee eees eemo eems eero eers eese eete eets embe embo embr embs emer emes emet emme emms emor emos emre emrs emse emso emst emte emts eoes eore eost eoto eots erbb erbe ereb erem erer eres eret erme ermo erms erob eroe eroo eros erre erro errs erse erso erst erts esbo esbs esee esem eseo eser eses eset esme esmo esmr esmt eso- esom esos esse esso esst este esto estr ests etbr etee etem eter etes etoe etos etre etrm etro ette etto mbbs mbes mbms mbrs mebe mebo meem meer mees meet meme memo memr mems meor meos mer- merb mere merm mero mers mert mes- mese meso mesr mess mest met- mete meto mets mett mmes mmmm mmms mmor mmse mmst mmts mobb mobe mobo mobs moes moet mome momo moms moob mooe moor moos moot morb more moro mors mort mose moso moss most motb mote motm moto mots mott mrbb mrbm mrbs mreb mree mres mrse mrtm mrts mrtt msee msem msmb msmm msms msor msrb msrt mssm mssr msst mstr msts mtbo mtbs mtoe mtom mtor mtre mtrr mtss mtst mttr mtts o-eo obbo ober obes obet oboe obor obos obot obre obro obsr obss obst obts oeme oere oerm oers oese oest ombe ombo omee omeo omer omes omet omo- omoe omoo omor omre omro oobe ooer ooes oome ooms oooo ooos oore oort oose oost ootb oots orbb orbe orbo orbs ore- oreb orem oreo orer ores orme ormo oro- oroe orom oror oros orot orro orrs orse orso orte orto orts osbe osee osem oser oses oset osm- osme osmo osoo osor osos osro ossb osse osso oste ostr osts otbs otee otem oter otes oto- otoe otoo otor otos otre otro otrs otse otso otte otto otts rbbb rbbr rbbs rbms rbss rbst rebb rebe rebo rebs reeb reem rees reet reme remo rems reos reot rere rero rers rert rese reso ress rest rete reto retr rets rett rmbs rmst rob- robb robe robo robs robt roer roes roet romb rome romm romo roms roob room roor roos root rore roro rort rose roso ross rost rote roto rotr rots rott rrrr rsee rsme rsos rsre rsts rtee rtes rtms rtss rtts s-os sbbs sber sbor sbot sbse sbst se-e se-o se-s se-t sebe sebo sebs sebt seeb seem seer sees seet seme sems serb sere serm sero serr sers sert sese seso sess sest set- sete seto sets sett smbe smeb smee smet smos smot smrt smss smte sobe sobo sobr sobs sobt soem soeo soes somb some somm somo soom soor soos soot sorb sore sorm soro sorr sors sort sose soso soss sost sote sotm soto sots sreb srem sreo sres sros srtr ssbr ssee ssem sses sset ssot ssrm ssrs sssb sssm ssss sstb ssts stbs stee stem steo ster stes stet stms stmt stob stoe stom stoo stor stos stot stre stro strs stsm stss sttr t-mo tbbs tbrb tbst tebo teem teer tees teet teme temo tems teom teor teos ter- tere term tero terr ters tese teso tess test tete teto tetr