only does not begin with an a there for there can be no sentence with only starting with an a because only starts with a o.
an Alaskan antelope aimlessly ambled around Anchorage.
gatheringgenerategenerousgeometrygemologygeneticsgesturesgiraffesgiganticgigglingglitterygloriousgluttonygutturalgorgeousgovernorgraduategracefulgratefulgraciousgridlockgrillinggrowlinggruelingguessinggymnasts
all i can think of is neon and nova
There are no English words that contain all those letters, but here are some eight-letter words: alehouse, hamulose
Scattergories is a fun game; first, you pick a letter of the alphabet that will be used throughout the round. Next, you/your group have to come up with a certain list of words all starting with the letter that was originally picked. Whoever gets every word needed for the whole list wins that game.
Big, bearded, bold, bears begin bouncing blue balls.
Alliteration
Amanda and Anthony are against allowing abortions.
"Can cats catch crafty cockroaches".
Keith kissed Kitty knowingly.
Elderly Elephants Eagerly Eat Eggs
Cat Cannot Control Cam's Camera(:
I like your idea I think your sentences are making sense to me. Thank you very much.
If intelligently improvised, it is indeed indubitably illustrative. (see the related question)
"Frogs frolic freely, fearlessly."
Go get Gregory's goat George! Gin gets grandpa going gory.
tammy thought the tart tantalizing.
Adam ate an apple