-ose bbbb bbbs bbeb bbpr bebb bebe bebo beeb beek beep beer bees beke beko beks beo- beok beor beos bepo bere berk bero berr bers bes- bese besk beso bess bkpr bksp bobb bobe bobo bobs boee boeo boep boer boes boke boko boks boob booe book boop boor boos bope bopp bops bor- bore bork boro borr bors bose bosk boso boss bpoe breb bree brek breo brep brer bres brkb brob broe brok broo bror bros brrr brrs brsb brsr bseb bsee bser bses bsos bspp bspr bsse ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebpo ebro eeee eees eeke eeks eeps eero eers eese eesk ekeb ekek eker ekes ekos ekpe ekpo eoes eore epee eper epes epor epos eppo eppp epps eprb epro eprp eprs epsp epss erbb erbe ereb erer eres erke erks erob eroe eroo eros erpe erps erre erro errs erse erso esbo esbs esee esek eseo eser eses eske esko esks eso- esok esop esos espe espo espp esps esse esso essp k-os kbbb kbbe kbbk kbbo kbbr kbbs kbeb kbee kbek kbeo kber kbes kbkb kbkk kbko kbkr kbob kboe kbok kboo kbos kbpe kbpk kbpo kbpr kbps kbrb kbre kbrk kbro kbsb kbsk kbso kbsr kbss kebb kebe kebr keek keep keer kees kekb keke keko keks keok keos kep- kepe keps ker- kerb kere kerk kero kerp kerr kers kesb kesk keso kesp kesr kess kkbb kkbe kkbo kkbr kkbs kkkk kkob kkoo kkor kkpk kkps kkrb kkre kkrk kkro kkrr kkrs kkse kksp kksr kkss kobb kobe kobk kobo kobr kobs koes kokb koke kokk koko kokp kokr koks koob kook kooo koop koor koos kopb kope kopp kopr kops korb kore kork koro korr kors kos- kosb kose koso kosp kosr koss kpbb kpbe kpbr kpbs kpek kper kpke kpkk kpkr kpob kpoe kpok kpoo kpop kppk kppo kppp kppr kprb kpre kprk kpro kprp kprr kprs kpso kpsp krbb krbe krbk krbr kreb kree krek kreo kres krke krkk krko krkr krks krob kroe krok kroo krop kror kros krpr krps krrb krre krrk krro krrr krrs krse krsk krsr krss ksbp ksbr ksbs ksee ksek kseo ksep kser kskb kske kskk ksko kskr ksks ksob ksok ksoo ksop ksor ksos kspb kspe kspk kspo kspr ksps ksrb 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 oker okes okko okok okor okpe okpo okre okro okso oobe ooer ooes oooo ooos oops oore oose opep oper opes opo- opor opos oppo opps orbb orbe orbo orbs ore- oreb orek oreo orer ores orke orko oro- oroe orok oror oros orpe orps orro orrs orse orsk orso osbe osbp osee osek oser oses osoo osor osos osro ossb osse osso pbpk pbrs pbsp peek peep peer pees peke pekk peko peor pepe pepo peps per- pere perk pero perp perr pers pese peso pess pobo pobs poer poes poke poko 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 ppss prbs pre- preb pree prek prep pres pro- prob proe proo prop pros prps prrs prse prso prss psbr pseb psos pspp pspr psps psrk psrp psse psso rbbb rbbr rbbs rbsp rbss rebb rebe rebk rebo rebs reeb reek reep rees reke reko reks reop reos repe repo repp repr reps rere rero rers rese reso resp ress rkos rkss rob- robb robe robo robs roer roes roke rokk roko rokr roks roob rook roop roor roos rope ropo rops rore rork roro rose roso rosp ross rpob rpoe rpos rpps rrrr rrsp rsee rsos rspb rspk rspo rsps rsre s-os sbbs sber sbor sbrk sbse sbsp se-e se-k se-o se-s sebe sebo sebs seeb seek seep seer sees seke sekk seko seok seop sepe sepo sepp sepr seps serb sere serk sero serp serr sers sese seso sess skee skeo skep sker skes skoe skop skor skpo skss sobe sobo sobp sobr sobs soeo soep soes soke sokk soko sook soop soor soos sope sopo sopp sops sorb sore soro sorr sors sose soso soss speb spee spek sper spes spke spkr spok spoo spop spor spos spps spro sprs spse spso spsp spss sreb sreo sres sros srps srsp ssbr ssee ssep sses ssop sspe sspo ssps ssrs sssb ssss