dddd ddpo dfrf dnpo dod- dodd dodo doff dond donn dono donp donr dood doof doon doop door dopo dopp dopr dord dorf dorn doro dorp dorr drno drod drof dron drop ffff ffrr fndd fndn fndr fofo fond fono food foof foon fopp for- ford forn foro forr fprf fron frop frpd nddo ndnp ndop ndor ndpd ndpr ndrf nfff nfon nnnn nnpr nodo non- nonn nono noo- noon nooo noop noor nor- nord norf norn noro norr nppd nron nrpn nrrd oddd odon odoo odop odor odrp ofdr off- offo offr ofno ofor ondo onno onod onon onor ooff oooo oord opo- opon opor oppo ordn ordo orff orno oro- orof oron oror orro pdpn pdpr pfff pffr pnon pnpo pnpp pnro pod- podd podo poff pond pono ponp pood poof poon poop poor pop- popo popp porn poro porr ppod pppd pppn pppo pppp pprf prnd prnp pro- prod prof pron proo prop prpd prrd rndf rndp rnod rodd rodo roff rofo rond rono rood roof roon roop roor ropo roro rpdp rpof rpon rppn rrrr