dddd ddre dedd dede dedo deed deef deel deer deev defe deff defo deld dele delf dell delo deol deor der- dere derf dero derr derv deve devo dfer dfoe dfrf dlvo dod- dodd dode dodo doel doer doff dold dole dolf doll dolo dood doof dool door dord dore dorf doro dorr dove dred dree dref drel drev drod drof drol dvdr dvfr dvlf dvor dvvl edde eddo ede- edel eder edfl edle edod edve eede eeee eefe eefl eele eelv eero efeo efor elde eldr eled elee elef eleo eler elev elfe elle ello elod elro elve elvo eode eole eolo eore eorl erde erdf ered erel erer erev erld erle erll erod eroe erol eroo erre erro erve evel ever evoe evol evoo evre fdlr fede feed feel feer fefe feff fefo feld fele felf fell felo feod feof ferd fere fero ferr ferv feve fevr ffee ffff ffrr fldr fled flee fler flod floe floo flor fode foed foer fofo fold fole foll folo folr food foof fool for- ford fore forl foro forr fove fr-v fred free freo froe frol lddv ldeo lede ledo leed leef leel leer lefe leff lele lell lelo leod leof leor leov lerd lere lero lev- leve levo lfrd llef llll llod lloo lo-v lode lofe loff lold lole loll lolo lood looe loof lool loor lord lore loro love lovo lrdd lrrr lvov lvrr o-eo oddd oded odel odeo oder odle odoo odor odrl oedo oele oere ofdr ofer off- offe offo offr ofor ofre olde ole- oled olef oleo oler olev olfe olle ollo olof olor olov ooer ooff oold oolo oooo oord oore orde ordo ore- ored orel oreo orer orfe orff orle orlo oro- oroe orof oror orro orve orvr ovde ovee over ovfl ovo- ovod ovol ovoo ovre rder rdev redd rede redl redo redr reed reef reel reev refd refe reff refl refr reld rele rell relo reod reof reol rerd rere rero revd reve revo rfef rffl rlee rlef rodd rode rodo roed roel roer roev rofe roff rofl rofo rold role rolf roll rolo rood roof rool roor rore roro rove rovo rred rrle rrrr rved rver vder vdre vede vedo veel veer vel- veld vele vell velo veol veor ver- verd vere verl vero veve vevo vflo vfor vldl vode vodo voel voer voff vofr vold vole volf voll volo vool voor vor- vord vore voro vrdl vred vref vreo vver vvvv