Answer:
What word starts with 'E', ends with 'E', but only has one letter? It is not the letter 'E'.
Long and slinky like a trout, never sings till it's guts come out.
My first is high, My second damp, My whole a tie, A writer's cramp
When set loose I fly away. Never so cursed as when I go astray.
What has a mouth but can't chew?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?