There are no English language anagrams for just the five letters used once. However, adding another e would yield "petrel", and with a third e, you can get "replete". Adding just an I would give "triple."
The words that can be made from ELPRT include
lept, pelt, pert, let, pet, and per.
The letters spell the word temples.
you can spell lie, and pea.
clasped
Player
fast
The letters "m i s b p l i o e s" can be rearranged to spell "impossible."
Words that can be made from the letters LEEEPIV are:eelepeeevilII'veleeleveelieliplivepeepeelpeevepiepileplie (ballet term)veilvievile
clasped
Those letters will spell telescope.
PNLLEEEESSSSS spells "sleeplessness".
The word is employ.
Appall.