-er bbb bbd bbe bbf bbk bbo bbr bdb bdd bde bdf bdk bdo bdr be- beb bed bee bef bek beo ber bfb bfd bfe bff bfo bfr bkb bke bkf bkk bko bkr bob bod boe bof bok boo bor brb brd bre brf brk bro brr dbb dbd dbe dbf dbk dbo dbr ddb ddd dde ddf ddk ddo ddr de- deb ded dee def dek deo der dfb dfd dfe dff dfk dfo dfr dkb dke dkk dko dkr dob dod doe dof dok doo dor drb drd dre drk dro drr ebb ebd ebe ebf ebk ebo ebr ed- edb edd ede edf edk edo edr eeb eed eee eef eek eeo eer ef- efb efd efe eff efo efr ekb ekd eke ekf eko ekr eo- eob eod eoe eof eok eoo eor erb erd ere erf erk ero err fbb fbd fbe fbf fbk fbo fbr fdb fdd fde fdf fdk fdo fdr feb fed fee fef fek feo fer ffd ffe fff ffk ffo ffr fkb fkf fkk fob foe fof fok foo for frb frd fre frf frk fro frr kbb kbd kbe kbf kbk kbo kbr kdb kde kdf kdk kdo kdr ke- keb ked kee kef kek keo ker kfd kff kfo kkb kke kkk kkr kob kod koe kof kok koo kor krd krf krk kro krr ob- obb obd obe obf obk obo obr odb odd ode odf odo odr oeb oed oee oef oeo oer of- ofb ofd ofe off ofo ofr okb okd oke okk oko okr oo- oob ood oof ook ooo oor or- orb ord ore orf ork oro orr rbb rbd rbe rbf rbk rbo rbr rdb rdd rde rdf rdo rdr re- reb red ree ref rek reo rer rfb rfd rfe rff rfk rfo rfr rkb rke rkf rkk rko rob rod roe rof rok roo ror rrb rrd rrf rrk rrr

bbbb bbdd bbdo bbeb bd-r bebb bebe bebo bede bedo beeb beed beef beek beer befe beff befo beke beko beo- beod beof beok beor berd bere berk bero berr bobb bobe bobo bodb bode bodo boee boef boeo boer bofd bofe boff boke boko boob bood booe boof book boor bor- bord bore borf bork boro borr brdo breb bred bree bref brek breo brer brkb brob brod broe brok broo bror brrr d-bo dbfo dddd ddre debe dedd dede dedo deeb deed deef deek deer defe deff defo dek- deke deor der- derb dere derf derk dero derr dfer dfoe dfrf dobb dobe dod- dodd dode dodo doek doer doff doke doko doob dood doof dook door dord dore dorf dork doro dorr dred dree dref drek drob drod drof ebbo ebbr ebed eber eboe eboo ebor ebro edde eddo ede- eder edod eede eeee eefe eeke eero efbr efeo efke efor ekeb eked ekek eker eode eore erbb erbe erde erdf ereb ered erer erke erob erod eroe eroo erre erro f--k febo fede feeb feed feek feer fefe feff fefo feke feko feod feof ferb ferd fere ferk fero ferr ffee ffff ffrr fode foed foer fofo foke food foof fook for- forb ford fore fork foro forr fred free freo frob froe kbbb kbbd kbbe kbbf kbbk kbbo kbbr kbdb kbde kbdf kbdo kbdr kbeb kbed kbee kbef kbek kbeo kber kbfb kbff kbfk kbfo kbfr kbkb kbkf kbkk kbko kbkr kbob kbod kboe kbok kboo kbrb kbrd kbre kbrf kbrk kbro kdbb kdbr kddb kddd kddf kddk kddr kdeb kdef kdfo kdfr kdkb kdkd kdkk kdko kdkr kdoe kdok kdrb kdrf kdro kebb kebe kebr kedb kedd kede kedo kedr keed keef keek keer kefb keff kefr kekb keke keko keok ker- kerb kere kerf kerk kero kerr kfbk kfeb kfed kfer kffb kfff kffk kfkb kfok kfoo kfor kfrd kfre kfro kfrr kkbb kkbd kkbe kkbo kkbr kkdd kkdo kked kkfr kkkk kkob kkoo kkor kkrb kkre kkrf kkrk kkro kkrr kobb kobe kobk kobo kobr kode kodk kodo koed kofe koff kofk kofo kokb koke kokf kokk koko kokr koob kook kooo koor korb kord kore korf kork koro korr krbb krbd krbe krbk krbr krdd krde krdo krdr kreb kred kree kref krek kreo krfd krfe krff krfo krkd krke krkk krko krkr krob krod kroe krof krok kroo kror krrb krre krrf krrk krro krrr o-eo obbo obed ober obkb oboe obok obor obre obro odbo oddd oded odeo oder odoo odor oedo oere ofdr ofek ofer off- offe offo offr ofor ofre oked oker okko okok okor okre okro oobe ooer ooff oooo oord oore orbb orbe orbo orde ordo ore- oreb ored orek oreo orer orfe orff orke orko oro- oroe orof orok oror orro rbbb rbbr rder rebb rebe rebk rebo redd rede redo redr reeb reed reef reek refd refe reff refr reke reko reod reof rerd rere rero rfef rkkf rob- robb robe robo rodd rode rodo roed roer rofe roff rofo roke rokk roko rokr roob rood roof rook roor rore rork roro rred rrrr

b-e-d b-r-k bbbee bbook bd-re bdoor be-er be-ro bebdo bebed bebek beber bebod bedde bedee beder bedof bedok beebe beede beeke beerd beffe befoe befor beker bekke bekko bekok beode beofe beoff beord berbe berde bered berek berk- berke berko berob beroe berok beror berre bo-bo bobek bobko bobok bobr bobre bodd- boded boder bodoe bodor boedo boeke boero boffo bokeo boker bokko bokod bokok bokor boode booed booer booke booko boord boore borbo borde bordo bored boree borek borer borko boro- borod borok boroo borre borro bredd brede breed breef breek breer breke breo- brerd brere brobo brodd brode brodo broek broer broke brood brook brrrr d-rod d-rok ddddd ddebo ddeok debed deber debke debro dedde dedee deder deede deefe deeff deere defed defeo defer deffe deffo defoe deked dekko deore deoro derbe derde dered derek derke dero- derob derre derro do-do dobee dober dobok dobre dobro dodoo dodro doerr dofor dokdo doodo dooke doore dored