S1I1X8T1E1E1N1T1H4
19 points
SIXTEENTH is validvalid
one of sixteen equal parts [n SIXTEENTHS]
number sixteen in sequence [adj SIXTEENTHLY] / the sixteenth part of something [n -S]
one of sixteen equal parts [n SIXTEENTHS]
number sixteen in sequence [adj SIXTEENTHLY] / the sixteenth part of something [n -S]