-ose bbbb bbbs bbeb bbet bbfc bbrc bcbc bcbs bccc bccs bcec bcer bces bcet bcfc bcof bcor bcos bcrs bcsc bcss bctc bcts bebb bebe bebo becs beeb beef beer bees beet befe beff befo beft beo- beof beor beos beot berc bere bero berr bers bert bes- bese beso bess best betc bete beto bets bett bfcs bffs bfsr bfts bftt bobb bobe bobo bobs boce boco bocs boec boee boef boeo boer boes boet bofe boff bofs boob booc booe boof boor boos boot bor- bore borf boro borr bors bort bosc bose boso boss bost botb bote boto bots bott brcb brce breb brec bree bref breo brer bres bret brfc brob broc broe broo bror bros brot brrr brrs brsb brsr brst brtc bscs bseb bsec bsee bser bses bset bsfc bsff bsfs bsos bssc bsse bsts btcc btcs btec btfc btob btor btrc btrt btss bttb c-bo cbbc cbbs cbcc cbce cbcr cbcs cbct cbec cbee cbef cber cbet cbfb cbfc cbot cbre cbrt cbsc cbse cbtc cbtf ccbc cccb cccc cccf cccs ccee ccfc ccff ccob ccoc ccrc ccre ccrf ccrs ccrt ccsf ccss ccst cctb cctc cctt cebs cec- cece ceco cecs cect ceeb ceec cees cef- cefc ceor ceos cer- cerc cere cerf cero cers cert cesc cese cesr cess cest cet- cete ceto cets cfbc cfbr cfbs cfbt cfcb cfcf cfco cfcs cffb cffr cfor cfos cfrb cfre cfrt cfse cftc cfte cftr cobb cobe cobo cobs coce coco coct coes cofc cofe coff cofs coft coob coof coos coot cor- corb corc core corf coro corr cors cort cosc cose coso coss cost cotb cotc cote coto cots cott crbc crcc crce crcr cre- creb crec cree creo cres cret crfc crfs crob croc croe croo cror crot crrt crss crst crtc crtf crts csbf cscb cscc csce cscf csco cscr cscs csec csee cser cset csfc csfr csob csor csos csot csrc csrs csse cssr cstc csto cstr csts ctbs ctcf ctec ctfc ctfo ctfs ctor ctos ctot ctrc ctrs ctsc ctss ctts ebbc ebbo ebbr ebbs ebcc eber ebes ebfc eboe eboo ebor ebos ebro ecbc ecbe eccb eccc ecce ecco ecct ecef eces ecfc ecfr ecfs eco- ecos ecot ecrc ecrf ecrr ecsc ecse ecss ect- ectc ectf ecto ects eecs eeee eees eefe eeoc eerc eero eers eese eetc eete eets efbr efco efeo efes efet effs efor eft- efts eoes eore eost eotc eoto eots erbb erbe ercc erce ereb erec erer eres eret erfc erfs erft erob eroc eroe eroo eros errc erre erro errs erse erso erst erts esbo esbs escb esce esco escr escs esee eseo eser eses eset esfs eso- esos esse esso esst estc este esto estr ests etbc etbr etcc etco etcs etec etee eter etes etfb etfc etfe etoe etos etre etro ette etto fbrs fcbs fccf fces fcot fcsc fcst fcto febo febs fece fect feeb feer fees feet fefc fefe feff fefo feof ferb ferc fere fero ferr fers fert fese fess fest fete fetr fets fett ffcc ffee ffff ffrr ffss fftf fobs fobt foce foco focs foer foes fofo foof foos foot for- forb fore foro forr fors fort fosb foso foss fost fote foto fots fott frbc frcc free freo fres fret frfc frob froe fros frot frsb frsc frso frst fscb fscc fsec fsfo fssc fssf ft-c fter ftfc ftos ftrs ftse ftsr o-eo obbo obec ober obes obet oboe obor obos obot obre obro obsr obss obst obts ocbc occc occt oce ocee ocef ocet ocos ocre ocro ocrr ocrs oct- octe octo octs oec- oecc oeec oere oers oese oest ofcr ofer off- offc offe offo offr offs ofor ofre ofst oobe oocr ooer ooes ooff oofs oooo ooos oore oort oose oost ootb oots orbb orbe orbo orbs orce orco orcs ore- oreb orec oreo orer ores orfe orff orfs oro- oroe orof oror oros orot orro orrs orse orso ortc orte orto orts osbe oscc osce osco osec osee oser oses oset osoo osor osos osro ossb osse osso ostc oste ostr osts otbs otee oter otes otfc oto- otoe otof otoo otor otos otre otro otrs otse otso otte otto otts rbbb rbbr rbbs rbss rbst rcbc rcbo rccb rccc rccs rcet rcfc rcos rcsc rcss rctc rcts rebb rebe rebo rebs recc rece recr recs rect reeb reef rees reet refe reff refr refs reft reof reos reot rere rero rers rert rese reso ress rest rete reto retr rets rett rfef rffc rftc rob- robb robe robo robs robt rocc roce roco rocs roer roes roet rofc rofe roff rofo roob roof roor roos root rorc rore roro rort rosc rose roso ross rost rotc rote roto rotr rots rott rrfc rrrr rscc rscs rsee rsfc rsos rsre rsts rtbf rtcc rtce rtee rtes rtfb rtfc rtss rtts s-os sbbs sbcc sbcs sbct sbef sber sbfc sbor sbot sbse sbst sbtc sccc scce sccs scct scec scee scer scet scfc scfe scob scoo scor scot scr- scrc scre scrs scsc scso scsr scst sctc scto sctr scts se-c se-e se-f se-o se-s se-t sebe sebo sebs sebt sec- secc sece seco secr secs sect seeb seec seef seer sees seet seff seft seoc serb serc sere serf sero serr sers sert sesc sese seso sess sest set- setc sete setf seto sets sett sfbc sfcc sfco sfcs sfer sffc sfor sfos sfrc sfro sfss sfts sobe sobo sobr sobs sobt soce soco socr socs soec soeo soes sofo soft soof soor soos soot sorb sore soro sorr sors sort sose soso soss sost sotc sote soto sots srbc srcc srct sreb srec sreo sres srfc sros srtr ssbr sscc ssce sscs ssec ssee sses sset ssfc ssoc ssot ssrc ssrs sssb sssc sssf ssss sstb sstc ssts stbc stbs stcc stcs stec stee stef steo ster stes stet stfc stob stoe stof stoo stor stos stot strc stre stro strs stsf stss sttc sttr