-er bbb bbd bbe bbg bbk bbo bbr bbs bdb bdd bde bdg bdk bdo bdr bds be- beb bed bee beg bek beo ber bes bgb bgd bge bgg bgk bgo bgr bgs bkb bke bkg bkk bko bkr bks bob bod boe bog bok boo bor bos brb brd bre brg brk bro brr brs bsb bsd bse bsg bsk bso bsr bss dbb dbd dbe dbg dbk dbo dbr dbs ddb ddd dde ddg ddk ddo ddr dds de- deb ded dee deg dek deo der des dgd dge dgg dgk dgr dgs dkb dke dkg dkk dko dkr dks dob dod doe dog dok doo dor dos drb drd dre drg drk dro drr drs dsb dsd dse dsg dsk dso dsr dss ebb ebd ebe ebg ebk ebo ebr ebs ed- edb edd ede edg edk edo edr eds eeb eed eee eeg eek eeo eer ees egb egd ege egg ego egr egs ekb ekd eke ekg eko ekr eks eo- eob eod eoe eog eok eoo eor eos erb erd ere erg erk ero err ers es- esb esd ese esg esk eso esr ess g-d gbd gbe gbg gbk gbo gbr gbs gdb gdd gde gdk gdo gdr gds ge- geb ged gee geg gek geo ger ges ggb ggd ggg ggo ggr ggs gkb gkd gko gks gob god goe gog gok goo gor gos grb grd gre grg grk gro grr grs gsb gsd gse gsg gsk gso gsr gss kbb kbd kbe kbk kbo kbr kbs kdb kde kdg kdk kdo kdr kds ke- keb ked kee keg kek keo ker kes kgb kgd kgo kgs kkb kke kkk kkr kks kob kod koe kog kok koo kor kos krd krg krk kro krr krs ksb ksd kse ksg ksk kso ksr kss ob- obb obd obe obg obk obo obr obs odb odd ode odg odo odr ods oeb oed oee oeg oeo oer oes ogd oge ogg ogo ogs okb okd oke okg okk oko okr oks oo- oob ood oog ook ooo oor oos or- orb ord ore org ork oro orr ors os- osb osd ose osg osk oso osr oss rbb rbd rbe rbg rbk rbo rbr rbs rdb rdd rde rdg rdo rdr rds re- reb red ree reg rek reo rer res rgb rgd rge rgg rgk rgo rgr rgs rkb rke rkg rkk rko rks rob rod roe rog rok roo ror ros rrb rrd rrg rrk rrr rrs rsb rsd rse rsg rsk rso rsr rss sbb sbd sbe sbg sbk sbo sbr sbs sdb sdd sde sdg sdk sdo sdr sds se- seb sed see seg sek seo ser ses sgb sgd sge sgg sgk sgo sgr sgs sk- skb skd ske skg skk sko skr sks sob sod soe sog sok soo sor sos sr- srb srd sre srg srk sro srr srs ss- ssb ssd sse ssg ssk sso ssr sss

-ose bbbb bbbs bbdd bbdo bbeb bbrg bd-r bdes bdog bdos bdsd bebb bebe bebo bede bedo beds beeb beed beeg beek beer bees begg bego begs beke beko beks beo- beod beok beor beos berd bere berg berk bero berr bers bes- bese besk beso bess bggs bkgd bobb bobe bobo bobs bodb bode bodo bods boee boeo boer boes bogd boge bogg bogo bogs boke boko boks boob bood booe boog book boor boos bor- bord bore borg bork boro borr bors bose bosk boso boss brdo brds breb bred bree breg brek breo brer bres brkb brob brod broe brog brok broo bror bros brrr brrs brsb brsr bsbd bseb bsed bsee bseg bser bses bsgs bsod bsos bsrd bssd bsse d-bo dbos dbrs dbss dddd ddes ddre ddss debe debs dedd dede dedo deeb deed deeg deek deer dees dege dego degs dek- deke deks deor deos der- derb dere derg derk dero derr ders des- dese desg desk deso dess dgeg dgge dgkb dgkd dgkg dgsb dobb dobe dobs dod- dodd dode dodg dodo dods doeg doek doer does dog- doge dogg dogo dogs doke doko doob dood dook door doos dord dore dork doro dorr dors dose dosk doso doss dred dree dreg drek dres drge drgs drob drod drog drrs dsdr dsos dsrr ebbo ebbr ebbs ebed eber ebes eboe eboo ebor ebos ebro edde eddo edds ede- eder edes edge edod edos edss eede eeee eees eegs eeke eeks eerg eero eers eese eesk egbe egee eger eggb egge eggo eggs egks ego- egor egos egre egss ekeb eked ekek eker ekes ekgs ekos eode eoes eore erbb erbe erde erds ereb ered erer eres erg- ergg ergo ergs 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 essg esso gbbo gbbs gbde gddb gdes gdor gebe gedd gede gedo geds geed geek geer gees gege gegg gego geko geo- geog geos gerb gerd gere gero gers gesg gesk geso gess gggg ggss gobe gobo gobs gode godo gods goed goer goes gogo gogs goke good goog gook goor goos gorb gord gore gorg goro gorr gors gose goso goss grbr grds greb gree greg gres grob grod grog grok groo gror gros grrr grrs grss gsds gskb gsos gsse k-os kbbb kbbd kbbe kbbg kbbk kbbo kbbr kbbs kbdb kbde kbdg kbdo kbdr kbds kbeb kbed kbee kbek kbeo kber kbes kbgb kbge kbgg kbgo kbgr kbkb kbkg kbkk kbko kbkr kbob kbod kboe kbok kboo kbos kbrb kbrd kbre kbrg kbrk kbro kbsb kbsg kbsk kbso kbsr kbss kdbb kdbg kdbr kdbs kddb kddd kddg kddk kddr kdeb kdge kdgo kdgs kdkb kdkd kdkk kdko kdkr kdoe kdog kdok kdrb kdro kdrs kdsd kdsk kdsr kdss kebb kebe kebr kedb kedd kede kedg kedo kedr keds keed keek keer kees kege kegg kegk kegr kegs kekb keke keko keks keok keos ker- kerb kere kerk kero kerr