ヨ is identical to the Katakana character pronounced as yo.
Usages of yo
Every day of the week, the sun watches yo-yo tricks by a small bird.
Even though he is small, Yo's life is one big success.
If there are threads in yo water, don't drink it. You'll turn green.
The crown is arriving from the left side. Yo, cover yourself again! Lie down!
That ain't rain yo, it's snow!