a flash in the pan

a flash of hope a flash of wit a flat tire a flea in one's ear a fleeting show a flicker of hope a flight of stairs a flock of a flood of a flood of people a flood of words a floor under wages

endobacillary endobasidium endobasion endobatholithic endobenzyline bromide endobiont endobiophyta endobiosis endobiotic endobiphyta