I am doing an online course and I am stuck... I need to understand and be comfortable when i do come across them in the future... here are the codes they are canadian... Thanks

) B0XPTPC

B=
0=
X=
P=
T=
C=


2)L0ITPB

L=
0=
I=
T=
P=
B=

3) C0EXB

C=
0=
E=
X=
B=

4) H0XRTPC

H=
0=
X=
R=
T=
P =
C-