dddd ddpo ddry dhod dhor dhpr didi dido didy diii diop dior dipo dipp dird dirr diyi dod- dodd dodi dodo dody dohr doid dood doop door dopo dopp dopr dopy dord dori doro dorp dorr dory doyo dphp dpph dpyd drih drip drod droh drop droy dry- dydd dyhh dyhp dyhr dyio dyo- dyoo dyor dyph dyr- dyri dyro dyyr h-ii hdod hdri hdyd hhhh hhip hidi hidy hihi hiho hipo hipp hird hiri hiro hiyo hodh hodi hodr hody hoho hoid hoip hoir hood hoop hoor hopi hopo hopp hopy hord hori horo horr hory hoyi hpdh hrid hrip hrod hrpp hydd hydr hyo- hyp- hyph hypo hypy hyrd iddo idid idio idir idro ihdr ihop ihrd iiii iiio iioi iioo iiop iod- iodd iodo ioii ioio iooi iooo iori ipdi iphr ipid ipod ipoh ipop ippo ippr ippy ipri irdo irdp iri- irid irio irip iriy irod iroh irop irri oddd oddi oddy odio odir odoh odoo odop odor odrp odry odyr ohhi ohho ohid ohio ohoh ohyo oido oiii oiry oodi ooho ooid oooh oooo oord oory ophi opii opio opo- opor oppi oppo oppy opry ordo ori- orid orio oro- oror oroy orph orpi orri orro orry oyri pdpr phi- phip phoh phoo phrr pido piip pipi pipo pipp pipy piri piro pirr piry piyo pod- podd podi podo pody poid poio pood pooh poop poor pop- popi popo popp popy pori poro porr pory poyo poyr pphi ppid ppih ppod pppd pppo pppp pri- prid prii pro- prod proo prop prpd prrd prri pyo- pypy pyr- pyri pyro pyry rdio rhio rhod rhoh rhyd ridd ridi rido riho ripd ripi ripp ripr riri riyo rodd rodi rodo rody rohr rohy roid roio roir rood rooi roop roor ropo ropy rori roro rory royd rpdp rpho rpii rrrr rydy ryip ryoh yhid yhyd yidi yird yirr yodh yodo yoho yood yoop yopo yopy yord yori yoro yory yoyo ypir yrho yyyy