A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
by chance
adv
1.
through chance
happen
perchance
2.
by accident
by luck
haply
3.
without advance planning
at unset steven
chancefully
accidentally
circumstantially
unexpectedly