-er bbb bbe bbk bbo bbr bbs bbt be- beb bee bek beo ber bes bet bjj bjk bjr bjs bjt bkb bke bkk bko bkr bks bkt bob boe boj bok boo bor bos bot brb bre brj brk bro brr brs brt bsb bse bsj bsk bso bsr bss bst btb bte btk bto btr bts btt ebb ebe ebj ebk ebo ebr ebs ebt eeb eee eek eeo eer ees eet ejo ejt ekb eke eko ekr eks ekt eo- eob eoe eok eoo eor eos eot erb ere erk ero err ers ert es- esb ese esk eso esr ess est etb ete etj etk eto etr ets ett jbj jbk jbo jbr jbs jbt jeb jee jej jek jeo jer jes jet jjb jjj jjk jjr jjs jkb jkk jko jkr jks jkt job joe joj jok joo jor jos jot jrb jrk jro jrr jrs jrt jsb jse jsj jsk jso jsr jss jst jtb jte jtk jtr jts jtt k-t kbb kbe kbk kbo kbr kbs ke- keb kee kek keo ker kes ket kjb kje kjr kjs kkb kke kkk kkr kks kkt kob koe kok koo kor kos kot krk kro krr krs krt ksb kse ksk kso ksr kss kst ktb kte ktj ktk kto ktr kts ktt ob- obb obe obj obk obo obr obs obt oeb oee oeo oer oes oet ojb oje ojo ojs okb oke okj okk oko okr oks oo- oob ook ooo oor oos oot or- orb ore ork oro orr ors ort os- osb ose osj osk oso osr oss ost ot- otb ote otk oto otr ots ott rbb rbe rbk rbo rbr rbs rbt re- reb ree rek reo rer res ret rjk rjr rkb rke rkk rko rks rkt rob roe roj rok roo ror ros rot rrb rrk rrr rrs rrt rsb rse rsj rsk rso rsr rss rst rtb rte rtj rtk rto rtr rts rtt sbb sbe sbj sbk sbo sbr sbs sbt se- seb see sej sek seo ser ses set sjb sje sjj sjk sjr sjs sjt sk- skb ske skj skk sko skr sks skt sob soe soj sok soo sor sos sot sr- srb sre srj srk sro srr srs srt ss- ssb sse ssj ssk sso ssr sss sst stb ste stj stk sto str sts stt tbb tbe tbj tbk tbo tbr tbs tbt te- teb tee tej tek teo ter tes tet tje tjo tjr tjs tkb tke tkk tko tkr tks tkt to- tob toe toj tok too tor tos tot trb tre trk tro trr trs trt tsb tse tsj tsk tso tsr tss tst ttb tte ttk tto ttr tts ttt

-ose bbbb bbbs bbeb bbet bebb bebe bebo beeb beej beek beer bees beet beke beko beks beo- beok beor beos beot bere berk bero berr bers bert bes- bese besk beso bess best bete beto bets bett bobb bobe bobo bobs boee boeo boer boes boet bojo bojt boke boko boks boob booe book boor boos boot bor- bore borj bork boro borr bors bort bose bosk boso boss bost botb bote boto bots bott breb bree brek breo brer bres bret brje brkb brob broe brok broo bror bros brot brrr brrs brsb brsr brst bseb bsee bser bses bset bskt bsos bsse bsts btek btob btor btrt btss bttb ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebro eeee eees eeke eeks eero eers eese eesk eete eets ejer ejob ejoo ejot ekeb ekek eker ekes eket ekos eoes eore eost eoto eots erbb erbe ereb erer eres eret erke erks erob eroe eroo eros erre erro errs erse erso erst erts esbo esbs esee esek eseo eser eses eset eske esko esks eso- esok esos esse esso esst este estj esto estr ests etbr etee eter etes etoe etok etos etre etro ette etto j-ro jbob jebb jebe jeer jees jeet jeke jeok jeos jere jerk jero jers jert jese jess jest jetb jete jets jett jobe jobo jobs joee joes jojo jokb joke jook joor joos joot jore jork joro jort jose joso joss jost joto jots jott jrbr jset jssr jsss jtsb k-os kbbb kbbe kbbk kbbo kbbr kbbs kbbt kbeb kbee kbek kbeo kber kbes kbet kbjk kbjs kbjt kbkb kbkk kbko kbkr kbob kboe kbok kboo kbos kbot kbrb kbre kbrj kbrk kbro kbrt kbsb kbsj kbsk kbso kbsr kbss kbst kbtb kbte kbtk kbto kbtr kbts kbtt kebb kebe kebr kebt keek keer kees keet kejb kejj kejo kejs kekb keke keko keks keoj keok keos ker- kerb kere kerk kero kerr kers kert kesb kesj kesk keso kesr kess kest ket- kete ketk keto ketr kets kett kjbb kjbr kjee kjer kjet kjjj kjjk kjjo kjjr kjjs kjjt kjke kjkj kjkk kjks kjkt kjoe kjoj kjok kjor kjot kjrb kjrt kjsk kjsr kjst kjts kjtt kkbb kkbe kkbj kkbo kkbr kkbs kkbt kkjb kkjk kkkj kkkk kkob kkoj kkoo kkor kkot kkrb kkre kkrk kkro kkrr kkrs kkrt kkse kksj kksr kkss kkst kktk kkts kobb kobe kobk kobo kobr kobs koes kojb koje kojo kokb koke kokk koko kokr koks koob kook kooo koor koos koot korb kore kork koro korr kors kort kos- kosb kose koso kosr koss kost kotb kote kotk koto kotr kots kott krbb krbe krbk krbr krbt kreb kree krej krek kreo kres kret krjb krje krjk krjo krjt krke krkk krko krkr krks krob kroe krok kroo kror kros krrb krre krrk krro krrr krrs krrt krse krsj krsk krsr krss krst krtk krto krtr krts ksbj ksbr ksbs ksee ksek kseo kser kset ksjb ksje ksjj ksjk ksjo ksjs ksjt kskb kske kskk ksko kskr ksks ksob ksok ksoo ksor ksos ksrb ksro ksrr ksrs ksrt ksse ksso kssr ksss ksst kstb kste kstj kstk ksto kstr ksts kstt ktbb ktbr ktbt ktee ktek ktjj ktjs ktkb ktke ktkk ktko ktkr ktks ktkt ktob ktoe ktok ktoo