Letters that make positional notation
s, a, o, l, n, p, t, i are letters that make 'positional notation'
Words within positional notation
tat, os, OS, IT, posit, ti, si, PO, Tati, at, sit, SI, TAT, position, on, positional, not, no, notation, AL, Io, ion, Po, Al, At, No, Os, Si, Na, Ta, Ti are words within 'positional notation'