-er -ey bbb bbe bbk bbo bbr bbs bby be- beb bee bek beo ber bes bey bkb bke bkk bko bkr bks bob boe bok boo bor bos boy brb bre brk bro brr brs bry bsb bse bsk bso bsr bss bsy by- bye byk byo byr bys ebb ebe ebk ebo ebr ebs eby eeb eee eek eeo eer ees eey ekb eke eko ekr eks eky eo- eob eoe eok eoo eor eos erb ere erk ero err ers ery es- esb ese esk eso esr ess esy eye eyo eyr eys kbb kbe kbk kbo kbr kbs ke- keb kee kek keo ker kes key kkb kke kkk kkr kks kky kob koe kok koo kor kos koy krk kro krr krs kry ksb kse ksk kso ksr kss kye kyo kyr kys ob- obb obe obk obo obr obs oby oeb oee oeo oer oes oey okb oke okk oko okr oks oo- oob ook ooo oor oos or- orb ore ork oro orr ors ory os- osb ose osk oso osr oss oye oyo oys rbb rbe rbk rbo rbr rbs re- reb ree rek reo rer res rey rkb rke rkk rko rks rky rob roe rok roo ror ros roy rrb rrk rrr rrs rsb rse rsk rso rsr rss ry- rye ryk ryo ryr rys ryy sbb sbe sbk sbo sbr sbs sby se- seb see sek seo ser ses sey sk- skb ske skk sko skr sks sky sob soe sok soo sor sos soy sr- srb sre srk sro srr srs sry ss- ssb sse ssk sso ssr sss sy- syb sye syk syr sys ybe ybr ybs yby yeb yee yek yeo yer yes yey ykk yob yoe yok yoo yor yos yoy yre yro yrs ysb yse ysk yso ysr yss ysy yyb yye yys yyy

-ose bbbb bbbs bbeb bboy bbyo bebb bebe bebo beby beeb beek beer bees beey beke beko beks beo- beok beor beos bere berk bero berr bers bery bes- bese besk beso bess besy beye beyk beys bkry bobb bobe bobo bobs boby boee boeo boer boes boey boke boko boks boob booe book boor boos bor- bore bork boro borr bors bory bose bosk boso boss boye boyo boys breb bree brek breo brer bres brey brkb brob broe brok broo bror bros brrr brrs brsb brsr bry- brye bryk bryo bseb bsee bser bses bsos bsse byer byes byke byob byos byre byrk bysb byse byso byss bysy ebbo ebbr ebbs ebby eber ebes eboe eboo ebor ebos eboy ebro eeby eeee eees eeke eeks eero eers eery eese eesk eesy ekeb ekek eker ekes ekos eoes eore erbb erbe ereb erer eres erke erks erob eroe eroo eros erre erro errs erse erso erye esbo esbs esee esek eseo eser eses eske esko esks esky eso- esok esos esse esso essy eyeb eyer eyes eyey eyke eyre eyry eyse eyyr k-os kbbb kbbe kbbk kbbo kbbr kbbs kbeb kbee kbek kbeo kber kbes kbey kbkb kbkk kbko kbkr kbky kbob kboe kbok kboo kbos kbrb kbre kbrk kbro kbry kbsb kbsk kbso kbsr kbss kbsy kbyb kbyo kbyr kbys kebb kebe kebr keek keer kees kekb keke keko keks keok keos ker- kerb kere kerk kero kerr kers kesb kesk keso kesr kess kesy keyb keye keys keyy kkbb kkbe kkbo kkbr kkbs kkkk kkob kkoo kkor kkoy kkrb kkre kkrk kkro kkrr kkrs kkse kksr kkss kkys kkyy kobb kobe kobk kobo kobr kobs koby koes kokb koke kokk koko kokr koks koky koob kook kooo koor koos korb kore kork koro korr kors kos- kosb kose koso kosr koss kosy koye koyo koyy krbb krbe krbk krbr kreb kree krek kreo kres krke krkk krko krkr krks krky krob kroe krok kroo kror kros kroy krrb krre krrk krro krrr krrs krry krse krsk krsr krss krsy krye kryk kryo kryy ksbr ksbs ksby ksee ksek kseo kser ksey kskb kske kskk ksko kskr ksks ksky ksob ksok ksoo ksor ksos ksrb ksro ksrr ksrs ksry ksse ksso kssr ksss ksyr ksyy kybb kybe kybo kybr kyby kyee kyes kyke kykk kykr kyks kyky kyok kyoo kyor kyos kyoy kyre kyrk kyro kyrs kyse kysk kysr kyyk kyyo kyys kyyy o-eo obbo obby ober obes obey obkb oboe obok obor obos oboy obre obro obsr obss oere oers oese oeye oeyo okby oker okes okey okko okok okor okre okro okso okyo oobe ooby ooer ooes ooky oooo ooos oore oory oose orbb orbe orbo orbs orby ore- oreb orek oreo orer ores orey orke orko oro- oroe orok oror oros oroy orro orrs orry orse orsk orso orsy orys osbe osby osee osek oser oses osey osoo osor osos osro ossb osse osso ossy oyee oyer oyes oyke oyre oyse oyss rbbb rbbr rbbs rbss rebb rebe rebk rebo rebs reeb reek rees reke reko reks reky reos rere rero rers rery rese reso ress reye reyk reys rkos rkss rob- robb robe robo robs roby roer roes roey roke rokk roko rokr roks roky roob rook roor roos rore rork roro rory rose roso ross rosy roye roys rrrr rsee rsos rsre rybe ryeb ryes ryke ryob rysy s-os sbbs sber sbor sbrk sbse se-e se-k se-o se-s se-y sebe sebo sebs seby seeb seek seer sees seey seke sekk seko seok serb sere serk sero serr sers sery sese seso sess seye seyk seys skee skeo sker skes skey skoe skor skss sky- skye skyr skys skyy sobe sobo sobr sobs soeo soes soke sokk soko sook soor soos sooy sorb sore soro sorr sors sory sose soso soss soye soyo soys srby sreb sreo sres sros ssbr ssby ssee sses ssrs sssb ssss sybo syer syes syke syre syro syrs syry syse syso syss syyk ybbs yber ybor ybry yeek yeer yees yeke yeos yerb yere yerk yero yerr yers yery yesk yeso yess yeye yeyo yeyr ykes ykey ykko yobo