dddd ddpo dhod dhor dhpr didi dido diii diop dior dipo dipp dird dirr dod- dodd dodi dodo dohr doid dood doop door dopo dopp dopr dord dori doro dorp dorr dphp dpph drih drip drod droh drop h-ii hdod hdri hhhh hhip hidi hihi hiho hipo hipp hird hiri hiro hodh hodi hodr hoho hoid hoip hoir hood hoop hoor hopi hopo hopp hord hori horo horr hpdh hrid hrip hrod hrpp 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 ipri irdo irdp iri- irid irio irip irod iroh irop irri oddd oddi odio odir odoh odoo odop odor odrp ohhi ohho ohid ohio ohoh oido oiii oodi ooho ooid oooh oooo oord ophi opii opio opo- opor oppi oppo ordo ori- orid orio oro- oror orph orpi orri orro pdpr phi- phip phoh phoo phrr pido piip pipi pipo pipp piri piro pirr pod- podd podi podo poid poio pood pooh poop poor pop- popi popo popp pori poro porr pphi ppid ppih ppod pppd pppo pppp pri- prid prii pro- prod proo prop prpd prrd prri rdio rhio rhod rhoh ridd ridi rido riho ripd ripi ripp ripr riri rodd rodi rodo rohr roid roio roir rood rooi roop roor ropo rori roro rpdp rpho rpii rrrr