Letters that make predictor variable
a, o, b, d, e, l, p, c, r, t, i, v are letters that make 'predictor variable'
Words within predictor variable
OR, AB, ab, predictor, edict, re, aria, PR, VA, IC, ar, var, RI, Red, ED, red, able, variable, ic, CT, AR, IA, tor, Re, LE, Ar, Pr, Ab, predict are words within 'predictor variable'