Month:
January: Hare
February: Mouse
March: Leaf
April: Mulch
May: Grey
June:Branch
July: Spark
August: Rain
September: Flame
October: Root
November: Frost
December: Thistle

Day:
1-4: whisker
5-8: tail
9-12: gaze
13-16: dapple
17-20: moon
21-24: tooth
25-28: petal
29-31: leap

Alright, forget the ten per category thing but I'll try to have more options. I got Mousemoon!