dddd ddpo dhod dhor dhpr dhrn dnpo dod- dodd dodo dohr dond donn dono donp donr dood doon doop door dopo dopp dopr dord dorn doro dorp dorr dphp dpph drnh drno drod droh dron drop hdod hhhh hndd hodh hodr hohn hoho hond hono hood hoon hoop hoor hopo hopp hord horn horo horr hpdh hrdn hrod hron hrpp nddo ndnp ndop ndor ndpd ndpr nhdp nhnn nhon nhrp nnnn nnpr nodo nohn noho non- nonn nono noo- noon nooo noop noor noph nor- nord norn noro norr nppd nron nrpn nrrd oddd odoh odon odoo odop odor odrp ohho ohno ohoh ohrn ondo onno onod onon onor ooho oooh oooo oord opo- opon opor oppo ordn ordo orno oro- oron oror orph orro pdpn pdpr phno phoh phon phoo phrr pnon pnpo pnpp pnro pod- podd podo pond pono ponp pood pooh poon poop poor pop- popo popp porn poro porr ppod pppd pppn pppo pppp prnd prnp pro- prod pron proo prop prpd prrd rhod rhoh rhon rndp rnod rodd rodo rohn rohr rond rono rood roon roop roor ropo roro rpdp rpho rpon rppn rrrr