Unfortunately, none in the English language. The largest word with IIVAU, is VIA and with the T added, it's VITA or VATU. There are none with 5 letters.
One word that fits your criteria is "distant." It starts with the letter 'd,' ends with 't,' and contains seven letters.
6 letters are in the word letter.
The word that can be made using the letters in "epailcs" is "special." This word contains all the letters given and is a common English word.
The singular possessive form of letter is letter's. The plural of letter is letters. The plural possessive of letters is letters'
Letters is the plural of letter
A fifteen letter word that contains the letters atragiclostnoun is congratulations!!!
The word is fetid.
Leather
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Cheetah
Copters
Rotate
The word possibly is an 8-letter word that contains the letter B.
Euphemism.
Traditions, iterations
seduces
babes