"Absolutely, I have a notebook full of single verses. They cover a wide range of feelings and topics. I guess, the big question is what do you do with the partial lyrics?" Sonic
Do what Lennon & McCartney did. Remember the line..."woke up, fell out of bed, dragged a comb across my head..."
That was a snippit that Paul had but couldn't make a complete song out of. Try using these bits and pieces for a bridge, pre-chorus, etc.
Bob