What is the sample space of tossing 5 coins?

HHHHH,

HHHHT, HHHTH, HHTHH, HTHHH, THHHH,

HHHTT, HHTHT, HHTTH, HTHHT, HTHTH, HTTHH, THHHT, THHTH, THTHH, TTHHH,

and then the same again with all the Ts replaced by Hs and all the Hs by Ts.

25 = 32 in all.