Question

These letters often stand for the same sound.

th, ch, wh
j, k, l
er, ur, ir

Answer 1

for h ends with the ch sound. ... the letter names for f, l, m, n, s, x; sometimes it is /ay/, as in j and k; ...

sound relationships, ... er, ur, or, ar), long vowel (e.g., oa, ee, ai), and other vowel sound spellings (e.g., ...