Letters that make ungrammatical
a, g, l, n, c, m, r, t, i, u are letters that make 'ungrammatical'
Words within ungrammatical
RAM, AM, MA, MAT, ti, UN, IC, ma, Gram, gramma, tical, at, ng, mA, gram, mm, mat, grammatical, ic, grammatic, ram, RA, AL, CA, Ra, Ram, tic, Al, Am, At, Ca, Ti are words within 'ungrammatical'