[BigV]

aaa
aae
aai
aao
aau

aea
aee
aei
aeo
aeu

aia
aie
aii
aio
aiu

aoa
aoe
aoi
aoo
aou

aua
aue
aui
auo
auu

eaa
eae
eai
eao
eau

eea
eee
eei
eeo
eeu

eia
eie
eii
eio
eiu

eoa
eoe
eoi
eoo
eou

eua
eue
eui
euo
euu

iaa
iae
iai
iao
iau

iea
iee
iei
ieo
ieu

iia
iie
iii
iio
iiu

ioa
ioe
ioi
ioo
iou

iua
iue
iui
iuo
iuu

oaa
oae
oai
oao
oau

oea
oee
oei
oeo
oeu

oia
oie
oii
oio
oiu

ooa
ooe
ooi
ooo
oou

oua
oue
oui
ouo
ouu

uaa
uae
uai
uao
uau

uea
uee
uei
ueo
ueu

uia
uie
uii
uio
uiu

uoa
uoe
uoi
uoo
uou

uua
uue
uui
uuo
uuu

***

Counting in base 5, inspired by another thread.