dddd ddot didi dido diii dior diot dird dirr dirt diti dito ditt ditz dizi dizz dod- dodd dodi dodo doid doit dood door doot dord dori doro dorr dort dotd doti doto dott dozi dozo drit drod drot droz dtor dtot dzor dzrr iddo idid idio idir idro iiii iiio iiit iioi iioo iitr iitt iod- iodd iodo ioii ioio ioit iooi iooo iori ioto irdo iri- irid irio irod irri irti itdo itoi itoo itor itri itto izod izzo oddd oddi odio odir odoo odor odot odzi oido oiii oirt oiti oitz oodi ooid oooo oord oort oozi ordo ori- orid orio orit oro- oror orot oroz orri orro orto orzo otit oto- otoo otor otro otti otto otzi ozd rdio ridd ridi rido riot rioz riri riti rito ritt ritz rizi rizz rodd rodi rodo roid roio roir roit roiz rood rooi roor root rooz rori roro rort roti roto rotr rott rozi rozz rrrr rtdt tdor tdri tidd tiit tird tiri tiro tirr titi tito titt titz tizi tizz todd todi todo todt toid toit tood toor toot tord tori toro torr tort totd toti toto totr tott tozo tri- trio trit triz trod troi troo trot trtr tttt tzzt z-ro zidi ziri ziro ziti zito zizi zizz zodd zodi zoid zoio zoo- zoot zord zori zoro zort zoti zott zotz zozo zzzz