Your photos are nice and clear , but you will get much better guesses if you could provide equally clear ones of well sanded face and endgrain of each piece . That said
A - E redcedar we three agree . Has a very characteristic smell
B - Probably CA buckeye Mark and I
C - ?
D - ?
E - ?
F - Possibly a maple
G - Possibly a buckeye or horse chestnut
H - Possibly black ash burl , but could be sugar maple
I - Possibly a rosewood as Mark suggests
J - ?
K - Possibly an oak , an ash , or an elm
L - ?
M - Purpleheart John and I
N - ?
O - I would say box elder , John thinks canarywood
P - ?
Q - ?
R - A bog oak , Mark and I , John walnut
S - Osage orange , John yellowheart
T - Possibly a S yellow pine or Douglas fir or larch . John Douglas fir
U - ?
V - ?
W - Gabon ebony , John and I , Mark bog oak
Didn`t see Edgar`s post before posting mine . Glad he agrees with me on a few things .