dddd ddpo didi dido diii din- dini dinn dino dion diop dior dipn dipo dipp dird dirr dnpo dod- dodd dodi dodo doid doin dond doni donn dono donp donr dood doon doop door dopo dopp dopr dord dori dorn doro dorp dorr dpin dpni drin drip drno drod dron drop i-no iddo idid idin idio idir idno idon idro iiii iiio iino iioi iioo iiop ind- indi indo inid inni inno innr ino- inoi inon inor inp- inpi inpp inri inro iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iori ipdi ipid ipin ipod ipop ippo ippr ipri irdo irdp iri- irid irin irio irip irod iron irop irri n-ii nddo ndnp ndop ndor ndpd ndpr ndri nidd nidi nido niip niir nind nini nino nion nioo nipr niro nnnn nnpi nnpr nodi nodo noid noin noio noir non- noni nonn nono noo- noon nooo noop noor nor- nord nori norn noro norr npin nppd npri nron nrpn nrrd oddd oddi odin odio odir odon odoo odop odor odrp oido oiii oion ondi ondo onir onni onno onod onon onor oodi ooid oooo oord opii opin opio opo- opon opor oppi oppo ordn ordo ori- orid orin orio orni orno oro- oron oror orpi orri orro pdpn pdpr pido piip pind pini pinn pino pinp pion pipi pipo pipp piri pirn piro pirr pnin pnon pnpo pnpp pnro pod- podd podi podo poid poin poio pond poni pono ponp pood poon poop poor pop- popi popo popp pori porn poro porr ppid ppod pppd pppn pppo pppp pri- prid prii prin prnd prnp pro- prod pron proo prop prpd prrd prri rdio ridd ridi rido riin rind rinn rino rion ripd ripi ripp ripr riri rndp rnin rnod rodd rodi rodo roid roin roio roir rond roni rono rood rooi roon roop roor ropo rori roro rpdp rpii rpon rppn rrrr