I remember seeing a puzzle in which the challenge was to make words containing as many three-or-more-vowel runs as possible. Here are the threesomes this thread has produced so far (only one word of each common string included):
aaa
aae
aai
aao
aau
aea – panacaea
aee
aei
aeo – archaeology
aeu
aia
aie
aii – Hawaiian
aio
aiu
aoa
aoe
aoi
aoo
aou – miaouing
aua
aue
aui
auo
auu
eaa
eae
eai
eao
eau – beautiful
eea
eee
eei – seeing (my addition)
eeo
eeu
eia – onomatopoeia
eie
eii
eio
eiu
eoa – archaeoaeolotropic
eoe
eoi
eoo
eou – beauteous
eua
eue – queue
eui
euo – euouae
euu
iaa
iae
iai
iao – miaouing
iau
iea
iee
iei
ieo
ieu
iia – Hawaiian
iie
iii
iio
iiu
ioa
ioe – mustachioed
ioi
ioo
iou – curious
iua
iue
iui
iuo
iuu
oaa
oae – archaeoaeolotropic
oai
oao
oau
oea
oee
oei – onomatopoeia
oeo
oeu – manoeuvre
oia – sequoia
oie
oii
oio
oiu
ooa
ooe – shampooed
ooi
ooo
oou
oua – euouae
oue – moue
oui – miaouing
ouo
ouu
uaa
uae – euouae
uai
uao
uau
uea – squeal
uee
uei – queueing
ueo – aqueous
ueu – queue
uia
uie – quiet
uii
uio – obsequious
uiu
uoa
uoe
uoi – sequoia
uoo
uou – superfluous
uua
uue
uui
uuo
uuu