-er b-u bbb bbe bbk bbo bbr bbs bbt bbu be- beb bee bek beo ber bes bet beu bkb bke bkk bko bkr bks bkt bob boe bok boo bor bos bot bou brb bre brk bro brr brs brt bru bsb bse bsk bso bsr bss bst bsu btb bte btk bto btr bts btt btu bub bue buk buo bur bus but buu ebb ebe ebk ebo ebr ebs ebt ebu eeb eee eek eeo eer ees eet ekb eke eko ekr eks ekt eku eo- eob eoe eok eoo eor eos eot eou erb ere erk ero err ers ert eru es- esb ese esk eso esr ess est esu etb ete etk eto etr ets ett etu eu- eub eue eur eus eut k-t kbb kbe kbk kbo kbr kbs kbu ke- keb kee kek keo ker kes ket kkb kke kkk kkr kks kkt kku kob koe kok koo kor kos kot kou krk kro krr krs krt kru ksb kse ksk kso ksr kss kst ksu ktb kte ktk kto ktr kts ktt ktu kub kue kuk kur kus kut kuu ob- obb obe obk obo obr obs obt obu oeb oee oeo oer oes oet okb oke okk oko okr oks oku oo- oob ook ooo oor oos oot or- orb ore ork oro orr ors ort oru os- osb ose osk oso osr oss ost osu ot- otb ote otk oto otr ots ott otu ou- oue ouk ouo our ous out rbb rbe rbk rbo rbr rbs rbt rbu re- reb ree rek reo rer res ret reu rkb rke rkk rko rks rkt rku rob roe rok roo ror ros rot rou rrb rrk rrr rrs rrt rru rsb rse rsk rso rsr rss rst rsu rtb rte rtk rto rtr rts rtt rtu rub rue ruk ruo rur rus rut ruu sbb sbe sbk sbo sbr sbs sbt sbu se- seb see sek seo ser ses set seu sk- skb ske skk sko skr sks skt sku sob soe sok soo sor sos sot sou sr- srb sre srk sro srr srs srt ss- ssb sse ssk sso ssr sss sst ssu stb ste stk sto str sts stt stu sub sue suk suo sur sus sut suu tbb tbe tbk tbo tbr tbs tbt tbu te- teb tee tek teo ter tes tet teu tkb tke tkk tko tkr tks tkt to- tob toe tok too tor tos tot tou trb tre trk tro trr trs trt tru tsb tse tsk tso tsr tss tst tsu ttb tte ttk tto ttr tts ttt ttu tub tue tuk tuo tur tus tut tuu ubb ube ubk ubo ubr ubs ubt ubu ueb uee uer ues uet ukb uke ukk ukr uku uob uoe uok uoo uor uos uot ur- urb ure urk uro urr urs urt uru usb use usk uso usr uss ust usu utb ute utk uto utr uts utt utu uue uur uus uut uuu

-ose -ous bbbb bbbs bbeb bbet bebb bebe bebo beeb beek beer bees beet beke beko beks beo- beok beor beos beot bere berk bero berr bers bert beru bes- bese besk beso bess best bete beto bets bett betu beuk beur bobb bobe bobo bobs bobu boee boeo boer boes boet boke boko boks boku boob booe book boor boos boot bor- bore bork boro borr bors bort boru bose bosk boso boss bost bosu botb bote boto bots bott boue bouk bour bous bout breb bree brek breo brer bres bret brkb brob broe brok broo bror bros brot brou brrr brrs brsb brsr brst brue brus brut bseb bsee bser bses bset bskt bsos bsse bsts btek btob btor btrt btss bttb btus bubb bube bubo bubs bubu buer bueu buke bukk buko buku bur- burb bure burk buro burr burs burt buru buse busk buss bust busu but- bute buto buts butt buus ebbo ebbr ebbs eber ebes eboe eboo ebor ebos ebro ebru ebur ebus eeee eees eeke eeks eero eers eese eesk eete eets eetu ekeb ekek eker ekes eket ekos ekur eoes eore eost eoto eots eous erbb erbe ereb erer eres eret erke erks erob eroe eroo eros erre erro errs erse erso erst erts ertu erub erur erus esbo esbs esee esek eseo eser eses eset eske esko esks esku eso- esok esos esse esso esst essu este esto estr ests esus etbr etee eter etes etoe etok etos etre etro etsu ette etto ettu euer euos eur- eure euro eurt euse k-os kbbb kbbe kbbk kbbo kbbr kbbs kbbt kbbu kbeb kbee kbek kbeo kber kbes kbet kbkb kbkk kbko kbkr kbob kboe kbok kboo kbos kbot kbrb kbre kbrk kbro kbrt kbru kbsb kbsk kbso kbsr kbss kbst kbsu kbtb kbte kbtk kbto kbtr kbts kbtt kbub kbue kbuk kbur kbus kbut kbuu kebb kebe kebr kebt kebu keek keer kees keet kekb keke keko keks keku keok keos ker- kerb kere kerk kero kerr kers kert keru kesb kesk keso kesr kess kest ket- kete ketk keto ketr kets kett ketu keur keus kkbb kkbe kkbo kkbr kkbs kkbt kkkk kkob kkoo kkor kkot kkrb kkre kkrk kkro kkrr kkrs kkrt kkse kksr kkss kkst kksu kktk kkts kktu kkus kkut kkuu kobb kobe kobk kobo kobr kobs kobu koes kokb koke kokk koko kokr koks koku koob kook kooo koor koos koot koou korb kore kork koro korr kors kort koru kos- kosb kose koso kosr koss kost kosu kotb kote kotk koto kotr kots kott kotu koub koue kour kous kout kouu krbb krbe krbk krbr krbt kreb kree krek kreo kres kret kreu krke krkk krko krkr krks krku krob kroe krok kroo kror kros krrb krre krrk krro krrr krrs krrt krse krsk krsr krss krst krsu krtk krto krtr krts krue kruk krur ksbr ksbs ksee ksek kseo kser kset kskb kske kskk ksko kskr ksks ksku ksob ksok ksoo ksor ksos ksou