parlor
One word you can make using the letters a, a, a, e, i, b, c, h, l, l, p, and t is "alphabetical." This word contains all the given letters and is a valid English word.
alfaki
prevail
beryl
Using all the letters you get: dualism
Treble is the word.
Those letters will make the word 'stolen', but you can't make an eight letter word with six letters.
There is no single English word you can make using all those letters only one time.
The letters AAEILNPRS can spell the word "airplanes" which is an anagram of "a real spin."
Chamomile.
If you can repeat letters, you can make the word 'eleven'.
Using all the letters in one word, Nothing.