I have taken 250 most common words in Ukrainian and added translation to Spanish (some also to English). All words have recorded audio (not computer synthetic).
Sample Data
Front
прийти[non-mp3 audio]
Back
llegar, venir
Tags
Front
відповісти[non-mp3 audio]
Back
responder
Tags
Front
червоний /m/, червона /f/, червоне /n/[non-mp3 audio]