Some 4 letter words with 'au' in the middle:FauxHaulMaulTautSee the related link for a full list.
bikini, minimi, illicit, idiotic -- Here is a full list of them: wordunscrambler.net/word-list/7-letter-words-with-3-is
sauce
No. In the official Scrabble dictionary there are lots of four-letter words containing two i's, but no three-letter words.
Auburn, auction, audio, audit, august, aunt, austere, austerity, author, authority, authorize, auto, autopsy, autumn and auxiliary are words. They begin with the letters AU.
Some 4 letter words with 'au' in the middle:FauxHaulMaulTautSee the related link for a full list.
Quid, quip, quad, aqua.
some words include:pabulumspachadompachalicpachinkopachisispachoulipachucospacifiedpacifierpacifiespacifismpacifistpackablea full list of words beginning with P containing 8 letters can be found here (see related links), although this list doesn't include every 8 letter word containing the letter P.
words containing the "you": your youth young
adequately
Some words that contain "aw" are: dawn, draw, saw. Some words that contain "au" are: author, fault, haunt.
Some words with 'au' in them are maul, caul, cauliflower, caterwaul, aubergine, caught, taught, flautist...
bikini, minimi, illicit, idiotic -- Here is a full list of them: wordunscrambler.net/word-list/7-letter-words-with-3-is
A dictionary.
Some words with "au" and a short "a" sound are: laugh, sausage, laundry, fraud.
Au revoir
sauce