Here are a collection of wet flies

[dnicolson]

Apart from the Tenkara and Alpine styles there are many styles of
wet and dry flies suitable for use with a Tenkara rod.
Here are a variety of flies that are not difficult to tie.

Spiders
donaldnicolson.webplus.net/page118.html
donaldnicolson.webplus.net/page119.html

Glanrhos
donaldnicolson.webplus.net/page175.html

Upright winged wet flies
donaldnicolson.webplus.net/page182.html

Various Spiders etc
donaldnicolson.webplus.net/page209.html

Clyde style Iron Blue
donaldnicolson.webplus.net/page224.html

Tummel Yellow Sally
donaldnicolson.webplus.net/page238.html

That should give plenty of options with Wet Flies.
Most standard dry flies will work OK