dddd ddpo didi dido didu diii din- dini dinn dino dinu dion diop dior diou dipn dipo dipp dipu 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 doru doud doun doup dour dpin dpni drin drip drno drod dron drop drou drui drup druu dudd dudo dudu duid duin duir dunn duno duo- duon dupo duri durn duro duru duur i-no iddo idid idin idio idir idno idon idro idun iduo iiii iiio iino iioi iioo iiop ind- indi indo indu inid inni inno innr innu ino- inoi inon inor inou inp- inpi inpp inri inro inui inun inup iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iori ioun ipdi ipid ipin ipod ipop ippo ippr ipri ipur irdo irdp iri- irid irin irio irip irod iron irop irri irun iuiu iuno iupp n-ii n-up nddo ndnp ndop ndor ndpd ndpr ndri nidd nidi nido niip niir niiu nind nini nino nion nioo niou nipr niro niru niur nnnn nnpi nnpr nodi nodo nodu noid noin noio noir non- noni nonn nono nonu noo- noon nooo noop noor nor- nord nori norn noro norr noun noup nour npin nppd npri nron nrpn nrrd nudd nudi nudo nuin nunn nuno nuon nurd nuri nurn nurp nurr nuru oddd oddi odin odio odir odiu odon odoo odop odor odou odrp odur oido oiii oion ondi ondo onir onni onno onod onon onor onpu onup onur oodi ooid oooo oord opii opin opio opo- opon opor oppi oppo ordn ordo ordu ori- orid orin orio orni orno oro- oron oror orpi orri orro orup ouii ouin ouir oun- ound our- ourn ouro ouu- pdpn pdpr pido piip pind pini pinn pino pinp pinu pion pipi pipo pipp piri pirn piro pirr piru pnin pnon pnpo pnpp pnro pnup pod- podd podi podo podu poid poin poio pond poni pono ponp pood poon poop poor pop- popi popo popp pori porn poro porr poud poui poun poup pour ppid ppod pppd pppn pppo pppp ppru ppur pri- prid prii prin prnd prnp pro- prod pron proo prop prou prpd prrd prri prud pruu pudo pudu puid puin puir puiu pund puno punu pupi pupu pur- puri puro purp purr puru rdio ridd ridi rido riin rind rinn rino rion riou ripd ripi ripp ripr riri rndp rnin rnod rodd rodi rodo roid roin roio roir roiu rond roni rono rood rooi roon roop roor ropo rori roro roru roud roun roup rpdp rpii rpon rppn rrrr rrun rudd rudi rudo rudp ruid ruin rund runi runn runo rupp rurd ruri ruro rurp ruru ruud ruun u-rp uddi udid udin udir udon udoo udop udpd udun uipi uirr undi undo uni- unii unin unio unir unni unno unon unop unro uor- updo upin upnp upon upor uppp uppu upri upup urdu urin uriu urni uro- uroo urpo urri urun urup urur uuni uuno uuri uuuu