bbbb bbdd bbdo bbeb bd-r bdii bebb bebe bebi bebo bede bedi bedo beeb beed beef beek beer befe beff befo beik beir beke beki beko beo- beod beof beok beor berd bere beri berk bero berr bibb bibe bibi bibo bide bidi bido bidr bieb bied bief bier biff bifi bike biko bio- bioi birb bird bire biri birk biro birr bobb bobe bobi bobo bodb bode bodi bodo boee boef boeo boer bofd bofe boff boi- boid boie boii boke boki boko boob bood booe boof book boor bor- bord bore borf bori bork boro borr brdo breb bred bree bref brei brek breo brer brid brie brik brio brkb brob brod broe brok broo bror brrr d-bo dbfo dddd ddie ddre debe debi dedd dede dedi dedo deeb deed deef deek deer defe deff defi defo deid deie deif deir dek- deke deor der- derb dere derf deri derk dero derr dfer dfoe dfrf dfri dibb dibe dibo dide didi dido dieb died dief dier dif- diff diii dike diki diko dior dird dire dirk dirr dkid dobb dobe dobi dod- dodd dode dodi dodo doek doer doff doid doke doki doko doob dood doof dook door dord dore dorf dori dork doro dorr dred dree dref drei drek drib drie drif drob drod drof ebbo ebbr ebed eber ebid eboe eboo ebor ebro edde eddi eddo ede- edei eder edie edif edik edod eede eeee eefe eeke eero efbr efeo effi efik efke efor eid- eide eidi eido eidr eied eiei eier eike eiki eiko eird eire ekeb eked ekek eker ekki ekoi eode eoir eore eori erbb erbe erde erdf erdi ereb ered erei erer erie erik erio erke erki erob erod eroe eroi eroo erre erro f--k febo fede fedi feeb feed feek feer fefe feff fefi fefo feid feie feio feir feke feko feod feof ferb ferd fere ferk fero ferr ffee ffff ffii ffrr fibe fide fidf fido fief fier fife fiff fifi fifo fiii fike fiki fioe fior fire firk fode foed foer fofo foid foie foke foki food foof fook for- forb ford fore fori fork foro forr fred free frei freo frib frid frie frik frio frob froe i-be ibdo ibed ibfi ibid ibie ibrd ibri ibro idbe iddo ided idee idef ideo ider idid idie idio idir idre idrf idro iedr ieie ieio iere ieri ifbb ifer ifid ifor ifrb ifrf ifri iide iied iiie iiii iiio iioi iioo ikee iker ikid ikki ikko ikoo ikri iobi iod- iodd iode iodo ioee ioii ioio ioke ioko ioof iooi iooo iore iori irbe irdo ired iree irer irfe iri- irid irie irio irki irob irod irre irri k-id kbbb kbbd kbbe kbbf kbbi kbbk kbbo kbbr kbdb kbde kbdf kbdi kbdo kbdr kbeb kbed kbee kbef kbek kbeo kber kbfb kbff kbfi kbfk kbfo kbfr kbib kbid kbie kbif kbik kbio kbkb kbkf kbkk kbko kbkr kbob kbod kboe kboi kbok kboo kbrb kbrd kbre kbrf kbri kbrk kbro kdbb kdbi kdbr kddb kddd kddf kddi kddk kddr kdeb kdef kdei kdfi kdfo kdfr kdio kdkb kdkd kdkk kdko kdkr kdoe kdok kdrb kdrf kdri kdro kebb kebe kebi kebr kedb kedd kede kedi kedo kedr keed keef keek keer kefb keff kefr keib keid keif keii keik keio keir kekb keke keki keko keok ker- kerb kere kerf keri kerk kero kerr kfbk kfeb kfed kfer kffb kfff kffk kfio kfir kfkb kfok kfoo kfor kfrd kfre kfri kfro kfrr kibb kibe kibi kibo kibr kidb kidd kide kidi kidk kido kidr kief kier kife kiff kifr kiid kiii kiik kikd kikf kiki kikk kiko kikr kiod kioe kioi kiok kioo kirb kirf kiri kirk kiro kirr kkbb kkbd kkbe kkbi kkbo kkbr kkdd kkdo kked kkfi kkfr kkid kkik kkkk kkob kkoo kkor kkrb kkre kkrf kkrk kkro kkrr kobb kobe kobi kobk kobo kobr kode kodi kodk kodo koed koei kofe koff kofi kofk kofo koii koir kokb koke kokf koki kokk koko kokr koob kooi kook kooo koor korb kord kore korf kori kork koro korr krbb krbd krbe krbi krbk krbr krdd krde krdo krdr kreb kred kree kref krei krek kreo krfd krfe krff krfo krib krid krik krio krkd krke krki krkk krko krkr krob krod kroe krof kroi krok kroo kror krrb krre krrf krri krrk krro krrr o-eo obbo obed ober obid obie obkb oboe oboi obok obor obre obri obro odbo oddd oddi oded odei odeo oder odie odio odir odoo odor oedo oeid oere ofdr ofek ofer off- offe offo offr ofid ofik ofor ofre oido oier oiii oike oiko oire oked oker okie okir okko okok okor okre okro oobe oobi oodi ooer ooff ooid oooo oord oore orbb orbe orbi orbo orde ordo ore- oreb ored orek oreo orer orfe orff orfi ori- orid orie orif orio orke orko oro- oroe orof orok oror orri orro rbbb rbbr rder rdio rebb rebe rebk rebo redd rede redi redo redr reeb reed reef reek refd refe reff refi refr reid reif reii reik reir reke reki reko reod reof rerd rere reri rero rfdi rfef rfid rib- ribe ribo ridd ride ridi rido ried rief riek rier rife riff riif rike riki rikk rire riri rkkf rob- robb robe robi robo rodd rode rodi rodo roed roer rofe roff rofo roid roif roik roio roir roke roki rokk roko rokr roob rood roof rooi rook roor rore rori rork roro rred rrif rrrr