January (M), February (J), March (F), April (O), May (A), June (N), July (J), August (A), September (S), October (O), November (N), December (D)
**Объяснение:**
Задание требует вписать первую букву названия каждого месяца.
* January - M
* February - J
* March - F
* April - O
* May - A
* June - N
* July - J
* August - A
* September - S
* October - O
* November - N
* December - D