"y and hymn"
Translation:ύψιλον και ύμνος
You seem to have confused some of the letters. Have a look at the alphabet. See the Tips & notes for the ABC skill and this link.
The exercise here is y and hymn or ύψιλον ypsilon. Here is the Greek letter Υ υ note that the capital looks just like the Latin Y and the lower case is like the Latin u.
This is gamma (γάμμα) Γ γ. This is ypsilon (ύψιλον) Υυ.