trio

[1]	three , threesome , trilogy , 3 , III , triad , triplex , threesome , triple , tierce , troika , leash , triptych , troika , triad , triumvirate , triplet , trine , trinity , trine , triune , ternary , ternion , trinity , three , triplet , tercet , terzetto , trey , deuce-ace
[2]	triad , triplet , triple
[3]	threesome , triad , trinity