dddd ddot dhod dhor didi dido diii dior diot dird dirr dirt dith diti dito ditt dod- dodd dodi dodo dohr doid doit dood door doot dord dori doro dorr dort dotd doth doti doto dott drih drit drod droh drot dthd dtor dtot h-ii hdod hdri hdtt hhhh hidi hihi hiho hiht hiit hird hiri hiro hirt hiti hito hitt hodh hodi hodr hoho hoid hoir hoit hood hoor hoot hord hori horo horr hort hotd hoth hoti hoto hotr hott hrid hrit hrod htoh httr iddo idid idio idir idro ihdr ihit ihrd iiht iiii iiio iiit iioi iioo iitr iitt iod- iodd iodo ioii ioio ioit iooi iooo iori ioto irdo iri- irid irio irod iroh irri irti itdo itoh itoi itoo itor itri itto oddd oddi odio odir odoh odoo odor odot ohhi ohho ohid ohio ohoh ohto oido oiii oirt oiti oodi ooho ooid oooh oooo oord oort ordo ori- orid orio orit oro- oror orot orri orro orth orto otho othr otit oto- otoh otoo otor otro otti otto rdio rhio rhod rhoh ridd ridi rido riho riht riot riri rith riti rito ritt rodd rodi rodo rohr roid roio roir roit rood rooi roor root rori roro rort roth roti roto rotr rott rrrr rtdt tdor tdri thdr thi- thio thir thoo thor thot thri thro thtr tidd tiht tiit tird tiri tiro tirr tith titi tito titt todd todi todo todt tohi toho toid toit tood tooh toor toot tord tori toro torr tort totd toth toti toto totr tott tri- trio trit trod troi troo trot trtr tttt