-ose bbbb bbbs bbeb bbpr bebb bebe bebo beeb beef beek beep beer bees befe beff befo beke beko beks beo- beof beok beor beos bepo bere berk bero berr bers bes- bese besk beso bess bffs bfpo bfpp bfsr bkpr bksp bobb bobe bobo bobs boee boef boeo boep boer boes bofe boff bofs boke boko boks boob booe boof book boop boor boos bope bopp bops bor- bore borf bork boro borr bors bose bosk boso boss bpoe breb bree bref brek breo brep brer bres brkb brob broe brok broo bror bros brrr brrs brsb brsr bseb bsee bser bses bsff bsfs bsos bspp bspr bsse ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebpo ebro eeee eees eefe eeke eeks eeps eero eers eese eesk efbr efeo efes effs efke efor ekeb ekek eker ekes ekos ekpe ekpo eoes eore epee eper epes epor epos eppo eppp epps eprb epro eprp eprs epsf epsp epss erbb erbe ereb erer eres erfs erke erks erob eroe eroo eros erpe erps erre erro errs erse erso esbo esbs esee esek eseo eser eses esfp esfs eske esko esks eso- esok esop esos espe espo espp esps esse esso essp f--k fbop fbrs febo febs feeb feek feer fees fefe feff fefo feke feko feof feps ferb fere ferk fero ferr fers fese fess ffee ffff ffps ffrr ffss fkbp fobs foer foes fofo foke foof fook foos fopp fops for- forb fore fork foro forr fors fosb foso foss fprf free freo frep fres frob froe frop fros frps frsb frso fsfo fspf fssf fssp k-os kbbb kbbe kbbf kbbk kbbo kbbr kbbs kbeb kbee kbef kbek kbeo kber kbes kbfb kbff kbfk kbfo kbfp kbfr kbfs kbkb kbkf kbkk kbko kbkr kbob kboe kbok kboo kbos kbpe kbpk kbpo kbpr kbps kbrb kbre kbrf kbrk kbro kbsb kbsk kbso kbsr kbss kebb kebe kebr keef keek keep keer kees kefb keff kefr kefs kekb keke keko keks keok keos kep- kepe keps ker- kerb kere kerf kerk kero kerp kerr kers kesb kesk keso kesp kesr kess kfbk kfeb kfer kffb kfff kffk kfkb kfok kfoo kfor kfpr kfre kfro kfrp kfrr kfrs kfse kfsk kfsp kfsr kkbb kkbe kkbo kkbr kkbs kkfr kkfs kkkk kkob kkoo kkor kkpk kkps kkrb kkre kkrf kkrk kkro kkrr kkrs kkse kksf kksp kksr kkss kobb kobe kobk kobo kobr kobs koes kofe koff kofk kofo kofp kokb koke kokf kokk koko kokp kokr koks koob kook kooo koop koor koos kopb kope kopf kopp kopr kops korb kore korf kork koro korr kors kos- kosb kose kosf koso kosp kosr koss kpbb kpbe kpbr kpbs kpek kper kpfk kpfr kpke kpkk kpkr kpob kpoe kpof kpok kpoo kpop kppk kppo kppp kppr kprb kpre kprf kprk kpro kprp kprr kprs kpsf kpso kpsp krbb krbe krbk krbr kreb kree kref krek kreo kres krfe krff krfo krfp krfs krke krkk krko krkr krks krob kroe krof krok kroo krop kror kros krpr krps krrb krre krrf krrk krro krrr krrs krse krsf krsk krsr krss ksbp ksbr ksbs ksee ksek kseo ksep kser ksfb ksfe ksfo ksfr kskb kske kskf kskk ksko kskr ksks ksob ksof ksok ksoo ksop ksor ksos kspb kspe kspk kspo kspr ksps ksrb ksrf ksro ksrp ksrr ksrs ksse ksso kssr ksss o-eo obbo ober obes obkb oboe obok obor obos obre obro obsr obss oeps oere oers oese ofek ofer off- offe offo offr offs ofor ofre oker okes okko okok okor okpe okpo okre okro okso oobe ooer ooes ooff oofs oooo ooos oops oore oose opep oper opes opo- opor opos oppo opps orbb orbe orbo orbs ore- oreb orek oreo orer ores orfe orff orfs orke orko oro- oroe orof orok oror oros orpe orps orro orrs orse orsk orso osbe osbp osee osek oser oses osoo osor osos osro ossb osse osso pbpk pbrf pbrs pbsp peek peep peer pees peff pefs peke pekk peko peor pepe pepo peps per- pere perf perk pero perp perr pers pese peso pess pfff pffr pfkp pfps pobo pobs poer poes poff poke poko poof pook poop poor poos pop- pope popo popp pops porb pore pork poro porr pors posb pose posk poso poss pper ppos pppo pppp ppps pprf ppsf ppss prbs pre- preb pree pref prek prep pres prfs pro- prob proe prof proo prop pros prps prrs prse prso prss psbr pseb psfk psfs psos pspp pspr psps psrk psrp psse psso rbbb rbbr rbbs rbsp rbss rebb rebe rebk rebo rebs reeb reef reek reep rees refe reff refr refs reke reko reks reof reop reos repe repo repp repr reps rere rero rers rese reso resp ress rfef rkkf rkos rkss rob- robb robe robo robs roer roes rofe roff rofo roke rokk roko rokr roks roob roof rook roop roor roos rope ropo rops rore rork roro rose roso rosp ross rpob rpoe rpof rpos rpps rrrr rrsp rsee rsos rspb rspk rspo rsps rsre s-os sbbs sbef sber sbor sbrk sbse sbsp se-e se-f se-k se-o se-s sebe sebo sebs seeb seef seek seep seer sees seff seke sekk seko seok seop sepe sepo sepp sepr seps serb sere serf serk sero serp serr sers sese seso sess sfer sfor sfos sfro sfss skee skeo skep sker skes skoe skop skor skpo skss sobe sobo sobp sobr sobs soeo soep soes sofo soke sokk soko soof sook soop soor soos sope sopo sopp sops sorb sore soro sorr sors sose soso soss speb spee spef spek sper spes spfs spke spkr spok spoo spop spor spos sppf spps spro sprs spse spso spsp spss sreb sreo sres sros srps srsp ssbr ssee ssep sses ssfp ssop sspe sspf sspo ssps ssrs sssb sssf ssss