EASY
1 clock(A), 1 dog (B)

MEDIUM
1 tooth (C), 1 cat (D), 1 baby (E), 1 toy train (F), birds (G)

HARD
1 squirrel (H), 1 elf (I), 1 ladybug (J), 1 moth (K), 1 grasshopper (L), 1 rat playing the saxophone (M)