Letters that make reusable routine
s, a, o, b, e, l, n, r, t, i, u are letters that make 'reusable routine'
Words within reusable routine
AB, ab, re, ti, rout, EU, SA, USA, tine, ut, Ro, sable, able, out, routine, usable, reusable, in, tin, US, IN, NE, Re, LE, Eu, In, Ne, Ti, UT, Ab are words within 'reusable routine'