Sherlock has been working under disguise at the post office and he is screening few encoded letters over past few months for a lady.
On the day of her marriage in October he saw a letter with c1o2n2g1r1a2t2u1l1i1s1
In December he intercepted M2e1r3y1c1h1i1s2t1a1
Today he has received another letter which is to be delivered to her after two days and it reads h1a3p2y2v1l1e2n2t1i1s1d1
(1) Can you decode these messages?
(2) Is there anything to worry about?