From option (a), AEMS ⇒ M (3rd) MOOR ⇒ 0 (3rd) BEST ⇒ S (3rd) AOTU ⇒T (3rd) ∴ Meaningful word = MOST From option (b), AGOT ⇒ O (3rd) EPST ⇒ S (3rd) AWTT ⇒ T (3rd) AMRY ⇒ R (3rd) ∴ Meaningful word = SORT From option (c), AELM ⇒ L (3rd) DFIN ⇒ I (3rd) LOST ⇒ S (3rd) AHTT ⇒ T (3rd) ∴ Meaningful word = LIST From option (d), JMPU ⇒ P(3rd) EILM ⇒ L(3rd) BDMU ⇒ M(3rd) EMOS ⇒ 0(3rd ) No meaningful word can be formed from P, L, M and O.