Unscramble IIPRSTX into words.

pistrix estimated tile points: 16

spirit estimated tile points: 8

strix estimated tile points: 12 spirt estimated tile points: 7 sprit estimated tile points: 7 stirp estimated tile points: 7 strip estimated tile points: 7

trix estimated tile points: 11 pist estimated tile points: 6 risp estimated tile points: 6 spit estimated tile points: 6 trip estimated tile points: 6 iris estimated tile points: 4 rist estimated tile points: 4 stir estimated tile points: 4

pix estimated tile points: 12 rix estimated tile points: 10 six estimated tile points: 10 pir estimated tile points: 5 pit estimated tile points: 5 psi estimated tile points: 5 pst estimated tile points: 5 rip estimated tile points: 5 sip estimated tile points: 5 tip estimated tile points: 5 ist estimated tile points: 3 its estimated tile points: 3 rit estimated tile points: 3 sir estimated tile points: 3 sit estimated tile points: 3 sri estimated tile points: 3 tri estimated tile points: 3