ar inarmstarcarcardhard
harmbarnmarksharpstarch
parkyardstartfarspark
barkmarchjararklark

XXX.

ow = ou.

1. ow and ou are equivalent symbols for the same sound.

2. ou at the beginning or in the middle of a word becomes owfinal.

3. ou inoursourcloudfound
mouseoutgroundround
aroundloudaloudspout
housesoundaboutflour
4. ow incowhownowbow
owldowndrownbrown
crownclowncrowdgrowl

XXXI.

oy = oi.

1. oy and oi are equivalent symbols for the same sound.

2. oi at the beginning or in the middle of a word becomes oy final.