rigg righ rigi rigo riho riht riot rire riri rite rith riti rito ritt rob- robb robe robi robo robt rodd rode rodi rodo roed roeg roer roet roge rogg rogh rogi rogo rohe rohr roid roig roio roir roit roob rood roog rooi roor root rore rori roro rort rote rotg roth roti roto rotr rott rred rrrr rtdt rtee rtei tbit tbrb tddb tdor tdri tebo tedd tede tedi teed teer teet tegg tegh tegi tego tegt tehi teho tehr teie teir teoh teor ter- tere teri tero terr tete teth teti teto tetr tett thdr the- theb thed thee thei theo ther thet thi- thie thig thio thir thoe thog thoo thor thot thre thri thro thtb thtr tibi tidd tide tie- tied tiee tiei tieo tier tiet tige tigh tigi tigr tiht tiit tirb tird tire tiri tiro tirr tite tith titi tito titt tobe tobi tobo tobt todd tode todi todo todt toed toee toeh toei toer toet toge togh togo togr togt tohi toho toid toie toit tood tooh toor toot tord tore torg tori toro torr tort totd tote toth toti toto totr tott tre- tred tree treg trei treo tret trge tri- trib trie trig trio trit trod troe trog troi troo trot trte trtr ttbb tteo tter ttoe tttt