p rap
t at
k book
ch rich
f life
th smith
s hiss
sh rush
wh what
REMARK.--These eighteen sounds make nine pairs of cognates. In
articulating the aspirates, the vocal organs are put in the position
required in the articulation of the corresponding subvocals; but the
breath is expelled with some force, without the utterance of any vocal
sound. The pupil should first verify this by experiment, and then practice
on these cognates.
The following subvocals and aspirate have no cognates: