dddd ddot ddpo ddre dedd dede dedo deed deef deep deer deet defe deff defo deft deop deor depe depo depp depr dept der- dere derf dero derp derr dete deto detr dfdt dfer dfoe dfrf dftr dod- dodd dode dodo doer doff dood doof doop door doot dope dopo dopp dopr dopt dord dore dorf doro dorp dorr dort dotd dote doto dott dpdt dper dred dree dref dret drod drof drop drot dtdp dted dtor dtot dttp edde eddo eddp ede- eder edod eede eeee eefe eero eete efeo efet efor eft- eftp eode eore eotd eoto epee eper epod epor epot eppo eppp epro eprp epte erde erdf ered erer eret erft erod eroe eroo erpe erre erro etee eter etfe etoe etre etro ette etto fdot fede feed feer feet fefe feff fefo feod feof ferd fere fero ferr fert fete fetp fetr fett ffee ffff ffrr fftf fode foed foer fofo food foof foot fopp for- ford fore foro forr fort fote foto fotp fott fpdt fprf fred free freo frep fret froe frop frot frpd fter ftop ftpe o-eo oddd oded odeo oder odet odoo odop odor odot odrp oedo oere ofdr ofer off- offe offo offr ofor ofre oftp ooer ooff oooo oord oore oort ootp oped opep oper opet opo- opor oppo opto orde ordo ore- ored oreo orer orfe orff oro- oroe orof oror orot orpe orro orte orto oted otee otep oter otfp oto- otoe otof otoo otor otpp otre otro otte otto pdpr ped- pede pedf pedo peed peep peer peet peff peor pepd pepe pepo per- perd pere perf pero perp perr pert pete peto petr pett pfet pfff pffr pfft pfte pod- podd pode podo poed poer poet poff pood poof poop poor poot pop- pope popo popp popt pore poro porr port potd pote potf poto pott pper ppod pppd pppo pppp pprf pptt pre- pred pree pref prep pret pro- prod proe prof proo prop prot prpd prrd prtp prtr pter ptop ptpd ptrd ptrf rder redd rede redo redr reed reef reep reet refd refe reff refr reft reod reof reop reot repe repo repp repr rept rerd rere rero rert retd rete reto retr rett rfef rodd rode rodo roed roer roet rofe roff rofo rood roof roop roor root rope ropo rore roro rort rote roto rotr rott rpdp rpet rpoe rpof rptd rred rrrr rtdt rtee rttp tdff tdor tedd tede teed teef teer teet teff teft teor tepe tepp ter- tere terf tero terp terr tete teto tetr tett tfot tfpt tftp todd tode todo todt toed toee toer toet toff tofo toft tood toof toor toot top- topd tope topf topo topp topt tord tore torf toro torp torr tort totd tote toto totr tott tpdf tped tper tppd tppp tppr tpte tptp tptr tre- tred tree tref treo tret trfd trfr trod troe troo trop trot trpe trpp trte trtr tteo tter ttff ttoe ttop tttt