UNUSUAL WORDS  II

Words containing three sets of double letters:

COMMITTEE
TENNESSEE
MISSISSIPPI
TALLAHASSEE
SUCCESSFULLY
BOOKKEEPER (in consecutive order)
*ADDRESS BOOK
*PUTTING GREEN

Words containing two sets of double letters in consecutive order:

COMMITTEE
TENNESSEE
BOOKKEEPER
TATTOO
RACCOON
BALLOON
BASSOON
SUCCEED
COFFEE
TOFFEE
ROOMMATE
WHIPPOORWILL

Words with only vowel Y:

SPRY
RHYTHM
SYZYGY (the configuration of sun, moon, and planets)

Words with four vowels in consecutive order:

QUEUE
SEQUOIA
HAWAIIAN (six, if you count W) 

Word with two sets of double letters (not consecutive):

KOOKABURRA