-er bbb bbd bbe bbk bbo bbr bbs bdb bdd bde bdk bdo bdr bds be- beb bed bee bek beo ber bes bkb bke bkk bko bkr bks bob bod boe bok boo bor bos brb brd bre brk bro brr brs bsb bsd bse bsk bso bsr bss dbb dbd dbe dbk dbo dbr dbs ddb ddd dde ddk ddo ddr dds de- deb ded dee dek deo der des dkb dke dkk dko dkr dks dob dod doe dok doo dor dos drb drd dre drk dro drr drs dsb dsd dse dsk dso dsr dss ebb ebd ebe ebk ebo ebr ebs ed- edb edd ede edk edo edr eds eeb eed eee eek eeo eer ees ekb ekd eke eko ekr eks eo- eob eod eoe eok eoo eor eos erb erd ere erk ero err ers es- esb esd ese esk eso esr ess kbb kbd kbe kbk kbo kbr kbs kdb kde kdk kdo kdr kds ke- keb ked kee kek keo ker kes kkb kke kkk kkr kks kob kod koe kok koo kor kos krd krk kro krr krs ksb ksd kse ksk kso ksr kss ob- obb obd obe obk obo obr obs odb odd ode odo odr ods oeb oed oee oeo oer oes okb okd oke okk oko okr oks oo- oob ood ook ooo oor oos or- orb ord ore ork oro orr ors os- osb osd ose osk oso osr oss rbb rbd rbe rbk rbo rbr rbs rdb rdd rde rdo rdr rds re- reb red ree rek reo rer res rkb rke rkk rko rks rob rod roe rok roo ror ros rrb rrd rrk rrr rrs rsb rsd rse rsk rso rsr rss sbb sbd sbe sbk sbo sbr sbs sdb sdd sde sdk sdo sdr sds se- seb sed see sek seo ser ses sk- skb skd ske skk sko skr sks sob sod soe sok soo sor sos sr- srb srd sre srk sro srr srs ss- ssb ssd sse ssk sso ssr sss

-ose bbbb bbbs bbdd bbdo bbeb bd-r bdes bdos bdsd bebb bebe bebo bede bedo beds beeb beed beek beer bees beke beko beks beo- beod beok beor beos berd bere berk bero berr bers bes- bese besk beso bess bobb bobe bobo bobs bodb bode bodo bods boee boeo boer boes boke boko boks boob bood booe book boor boos bor- bord bore bork boro borr bors bose bosk boso boss brdo brds breb bred bree brek breo brer bres brkb brob brod broe brok broo bror bros brrr brrs brsb brsr bsbd bseb bsed bsee bser bses bsod bsos bsrd bssd bsse d-bo dbos dbrs dbss dddd ddes ddre ddss debe debs dedd dede dedo deeb deed deek deer dees dek- deke deks deor deos der- derb dere derk dero derr ders des- dese desk deso dess dobb dobe dobs dod- dodd dode dodo dods doek doer does doke doko doob dood dook door doos dord dore dork doro dorr dors dose dosk doso doss dred dree drek dres drob drod drrs dsdr dsos dsrr ebbo ebbr ebbs ebed eber ebes eboe eboo ebor ebos ebro edde eddo edds ede- eder edes edod edos edss eede eeee eees eeke eeks eero eers eese eesk ekeb eked ekek eker ekes ekos eode eoes eore erbb erbe erde erds ereb ered erer eres erke erks erob erod eroe eroo eros erre erro errs erse erso esbo esbs esds esee esek eseo eser eses eske esko esks eso- esok esos esrd esse esso k-os kbbb kbbd kbbe kbbk kbbo kbbr kbbs kbdb kbde kbdo kbdr kbds kbeb kbed kbee kbek kbeo kber kbes kbkb kbkk kbko kbkr kbob kbod kboe kbok kboo kbos kbrb kbrd kbre kbrk kbro kbsb kbsk kbso kbsr kbss kdbb kdbr kdbs kddb kddd kddk kddr kdeb kdkb kdkd kdkk kdko kdkr kdoe kdok kdrb kdro kdrs kdsd kdsk kdsr kdss kebb kebe kebr kedb kedd kede kedo kedr keds keed keek keer kees kekb keke keko keks keok keos ker- kerb kere kerk kero kerr kers kesb kesd kesk keso kesr kess kkbb kkbd kkbe kkbo kkbr kkbs kkdd kkdo kked kkkk kkob kkoo kkor kkrb kkre kkrk kkro kkrr kkrs kksd kkse kksr kkss kobb kobe kobk kobo kobr kobs kode kodk kodo kods koed koes kokb koke kokk koko kokr koks koob kook kooo koor koos korb kord kore kork koro korr kors kos- kosb kosd kose koso kosr koss krbb krbd krbe krbk krbr krdd krde krdo krdr krds kreb kred kree krek kreo kres krkd krke krkk krko krkr krks krob krod kroe krok kroo kror kros krrb krre krrk krro krrr krrs krsd krse krsk krsr krss ksbr ksbs ksdk ksdr ksds ksed ksee ksek kseo kser kskb kskd kske kskk ksko kskr ksks ksob ksok ksoo ksor ksos ksrb ksro ksrr ksrs ksse ksso kssr ksss o-eo obbo obed ober obes obkb oboe obok obor obos obre obro obsd obsr obss odbo oddd odds oded odeo oder odes odoo odor odos odso oedo oeds oere oers oese oked oker okes okko okok okor okre okro okso oobe ooer ooes oooo ooos oord oore oose orbb orbe orbo orbs orde ordo ords ore- oreb ored orek oreo orer ores orke orko oro- oroe orok oror oros orro orrs orse orsk orso osbe osed osee osek oser oses osoo osor osos osrd osro ossb ossd osse osso rbbb rbbr rbbs rbds rbsd rbss rder rdos rdso rebb rebe rebk rebo rebs redd rede redo redr reds reeb reed reek rees reke reko reks reod reos rerd rere rero rers rese reso ress rkos rkss rob- robb robe robo robs rodd rode rodo rods roed roer roes roke rokk roko rokr roks roob rood rook roor roos rore rork roro rose roso ross rred rrrr rsdd rsds rsee rsos rsre s-os sbbs sbds sber sbor sbrk sbsd sbse sdds sder sdes sdrs sdss se-d se-e se-k se-o se-s sebe sebo