Combinations

thumb
index finger
thumb, index finger
thumb, index finger, middle finger
index finger, middle finger, ring finger
clinched fist
double clinched fists

baby A's trying to decide which fingers she like sucking on the most
maybe one day she'll stick to one (set) of finger(s)
or maybe decide fingers just aren't for her
(just like the bobos aren't-----bobos are pacifiers around my family)