Letters that make unexportable
a, o, b, e, l, n, p, r, t, u, x are letters that make 'unexportable'
Words within unexportable
export, OR, tab, table, porta, AB, ab, PO, UN, expo, able, exportable, ex, portable, port, NE, Po, LE, Ne, Ta, Ab are words within 'unexportable'