Letters that make operands
s, a, o, d, e, n, p, r are letters that make 'operands'
Words within operands
ER, opera, operand, Opera, AN, DS, pe, ERA, Rand, rand, and, ands, op, per, ran, rands, ope, RA, ND, Ra, Ds, Er, Nd, era are words within 'operands'