-er b-u bbb bbe bbi bbk bbo bbr bbs bbu be- beb bee bei bek beo ber bes beu bi- bib bie bii bik bio bir bis biu bkb bke bkk bko bkr bks bob boe boi bok boo bor bos bou brb bre bri brk bro brr brs bru bsb bse bsi bsk bso bsr bss bsu bub bue bui buk buo bur bus buu ebb ebe ebi ebk ebo ebr ebs ebu eeb eee eek eeo eer ees eib eie eii eik eio eir eis eiu ekb eke eki eko ekr eks eku eo- eob eoe eoi eok eoo eor eos eou erb ere eri erk ero err ers eru es- esb ese esi esk eso esr ess esu eu- eub eue eui eur eus ibb ibe ibi ibk ibo ibr ibs ibu ie- iee iei iek ier ies iib iie iii iio iir iis iiu ikb ike iki ikk iko ikr iks iku io- iob ioe ioi ioo ior ios iou ir- irb ire iri irk iro irr irs iru is- isb ise isi isk iso isr iss isu iu- iub iue iui iur ius kbb kbe kbi kbk kbo kbr kbs kbu ke- keb kee kei kek keo ker kes kib kie kii kik kio kir kis kiu kkb kke kki kkk kkr kks kku kob koe koi kok koo kor kos kou kri krk kro krr krs kru ksb kse ksi ksk kso ksr kss ksu kub kue kui kuk kur kus kuu o-i ob- obb obe obi obk obo obr obs obu oeb oee oei oeo oer oes oib oie oii oik oio oir ois oiu okb oke oki okk oko okr oks oku oo- oob ooi ook ooo oor oos or- orb ore ori ork oro orr ors oru os- osb ose osi osk oso osr oss osu ou- oue oui ouk ouo our ous rbb rbe rbi rbk rbo rbr rbs rbu re- reb ree rei rek reo rer res reu rib rie rii rik rio rir ris rkb rke rkk rko rks rku rob roe roi rok roo ror ros rou rrb rri rrk rrr rrs rru rsb rse rsi rsk rso rsr rss rsu rub rue rui ruk ruo rur rus ruu sbb sbe sbi sbk sbo sbr sbs sbu se- seb see sei sek seo ser ses seu sib sie sii sik sio sir sis siu sk- skb ske ski skk sko skr sks sku sob soe soi sok soo sor sos sou sr- srb sre sri srk sro srr srs ss- ssb sse ssi ssk sso ssr sss ssu sub sue sui suk suo sur sus suu ubb ube ubi ubk ubo ubr ubs ubu ueb uee uei uer ues uib uie uii uio uir uis uiu ukb uke uki ukk ukr uku uob uoe uok uoo uor uos ur- urb ure uri urk uro urr urs uru usb use usi usk uso usr uss usu uue uur uus uuu

-ose -ous bbbb bbbs bbeb bebb bebe bebi bebo beeb beek beer bees beik beir beis beke beki beko beks beo- beok beor beos bere beri berk bero berr bers beru bes- bese besk beso bess beuk beur bibb bibe bibi bibo bibs bieb bier bies bieu biis bike biko biku bio- bioi bios biou birb bire biri birk biro birr birs biru bis- bise bisk biso biss bisu bobb bobe bobi bobo bobs bobu boee boeo boer boes boi- boie boii bois boiu boke boki boko boks boku boob booe book boor boos bor- bore bori bork boro borr bors boru bose bosi bosk boso boss bosu boue bouk bour bous breb bree brei brek breo brer bres brie brik brio bris brkb brob broe brok broo bror bros brou brrr brrs brsb brsr brue brus bseb bsee bser bses bsos bsse bubb bube bubi bubo bubs bubu buer bueu buie buik buir buis buiu buke buki bukk buko buku bur- burb bure buri burk buro burr burs buru buse busi busk buss busu buus ebbo ebbr ebbs eber ebes ebis eboe eboo ebor ebos ebro ebru ebur ebus eeee eees eeke eeks eero eers eese eesi eesk eiei eier eies eike eiki eiko eiks eiou eire eirs eise eisk eiso eiss ekeb ekek eker ekes ekis ekki ekoi ekos eksi ekur eoes eoir eois eore eori eous erbb erbe ereb erei erer eres erie erik erio eris eriu erke erki erks erob eroe eroi eroo eros erre erro errs erse ersi erso erub erur erus esbo esbs esee esek eseo eser eses esie esik esis eske esko esks esku eso- esok esos esri esse essi esso essu esui esus eubi euer euoi euos eur- eure euro euse i-be ibes ibie ibis ibos ibri ibro ibss ibus ieie ieio iere ieri iers iesi ieso iesr iesu iies iiie iiii iiio iiis iioi iioo iios iirs iisi iisr iisu ikee iker ikes ikki ikko ikoo ikri iksu ikue ikuo iobi ioee ioii ioio ioke ioko iooi iooo ioos iore iori iors ioso iosu ious irbe iree irer ires iri- irie irio iris irki irks irob irre irri irrs irse irus isbe iseb isee iseo iser ises isie isis isko isku iso- isok isor isos isri isse issi isso issr isss issu isus iuiu iuse iuss k-os kbbb kbbe kbbi kbbk kbbo kbbr kbbs kbbu kbeb kbee kbek kbeo kber kbes kbib kbie kbik kbio kbis kbiu kbkb kbkk kbko kbkr kbob kboe kboi kbok kboo kbos kbrb kbre kbri kbrk kbro kbru kbsb kbsi kbsk kbso kbsr kbss kbsu kbub kbue kbuk kbur kbus kbuu kebb kebe kebi kebr kebu keek keer kees keib keii keik keio keir keis kekb keke keki keko keks keku keok keos ker- kerb kere keri kerk kero kerr kers keru kesb kesi kesk keso kesr kess keur keus kibb kibe kibi kibo kibr kibs kibu kier kies kieu kiii kiik kiis kiiu kiki kikk kiko kikr kiku kioe kioi kiok kioo kiou kirb kiri kirk kiro kirr kirs kiru kise kisi kisk