dddd ddpo ddre dedd dede dedo deed deef deek deep deer defe deff defo dek- deke deop deor depe depo depp depr der- dere derf derk dero derp derr dfer dfoe dfrf dod- dodd dode dodo doek doer doff doke doko dood doof dook doop door dope dopo dopp dopr dord dore dorf dork doro dorp dorr dper dprk dred dree dref drek drod drof drop edde eddo eddp ede- eder edod eede eeee eefe eeke eero efeo efke efor eked ekek eker ekpe ekpo eode eore epee eper epod epor eppo eppp epro eprp erde erdf ered erer erke erod eroe eroo erpe erre erro f--k fede feed feek feer fefe feff fefo feke feko feod feof ferd fere ferk fero ferr ffee ffff ffrr fode foed foer fofo foke food foof fook fopp for- ford fore fork foro forr fprf fred free freo frep froe frop frpd kddd kddf kddk kddr kdef kdep kdfo kdfr kdkd kdkk kdko kdkr kdoe kdok kdpr kdrf kdro kedd kede kedo kedp kedr keed keef keek keep keer keff kefr keke keko keok kep- kepd kepe ker- kere kerf kerk kero kerp kerr kfed kfer kfff kffk kfok kfoo kfor kfpr kfrd kfre kfro kfrp kfrr kkdd kkdo kked kkfr kkkk kkoo kkor kkpk kkre kkrf kkrk kkro kkrr kode kodk kodo koed kofe koff kofk kofo kofp koke kokf kokk koko kokp kokr kook kooo koop koor kope kopf kopp kopr kord kore korf kork koro korr kpdf kpdo kpdr kpek kper kpfk kpfr kpke kpkk kpkr kpod kpoe kpof kpok kpoo kpop kppd kppk kppo kppp kppr kprd kpre kprf kprk kpro kprp kprr krdd krde krdo krdr kred kree kref krek kreo krfd krfe krff krfo krfp krkd krke krkk krko krkr krod kroe krof krok kroo krop kror krpr krre krrf krrk krro krrr o-eo oddd oded odeo oder odoo odop odor odrp oedo oere ofdr ofek ofer off- offe offo offr ofor ofre oked oker okko okok okor okpe okpo okre okro ooer ooff oooo oord oore oped opep oper opo- opor oppo orde ordo ore- ored orek oreo orer orfe orff orke orko oro- oroe orof orok oror orpe orro pdpr ped- pede pedf pedo peed peek peep peer peff peke pekk peko peor pepd pepe pepo per- perd pere perf perk pero perp perr pfff pffr pfkp pod- podd pode podo poed poer poff poke poko pood poof pook poop poor pop- pope popo popp pore pork poro porr ppdk pper ppod pppd pppo pppp pprf pre- pred pree pref prek prep pro- prod proe prof proo prop prpd prrd rder redd rede redo redr reed reef reek reep refd refe reff refr reke reko reod reof reop repe repo repp repr rerd rere rero rfef rkkf rodd rode rodo roed roer rofe roff rofo roke rokk roko rokr rood roof rook roop roor rope ropo rore rork roro rpdp rpoe rpof rred rrrr