rari rark rata rati ratk ratt rbbb rbbr riaa riab riai riak rial rian riat rib- riba riia riin rika riki rikk rila rill rina rink rinn riri rita riti ritl ritt rlab rlin rnai rnal rnbr rnin rnli rnnt rrat rrna rrrr rtai rtan rtkn rtlt taa- taal taan taar taat taba tabb tabi tabl taia taik tail tain tair tait taka taki takk takt tala tali talk tall tana tani tank tann tant tara tarb tari tark tarn tarr tart tata tatb tati tatr tatt tbar tbil tbit tbrb tbta tiaa tiab tial tian tiar tiba tibi tiit tika tiki tila till tiln tilr tilt tina tini tink tinn tint tira tirb tiri tirl tirr tita titi titt tlik tlli tnik tnla traa trab trai trak tral tran trat tri- tria trib trik tril trin trit trna trra trtr ttab ttbb tttt