I grew up in the 80’s and I remember flea fly like this:
Flea (repeat)
Flea fly (repeat)
Flea fly mosquito (repeat)
Oh, no,no,no more mosquitos (repeat)
Itchy, itchy, scratchy, scratchy ooh I got one down my backy (repeat)
Ishy billy oat in boat in bo bo n deet n dot n walla unch!