現在の候補は以下の通りです!
DS-POS
Developers' System Petit Operating System
PRO
PSP
Petit Roid
Petit smartphone
SOS
Smart Operating System
SmartPhone Mock
Smartphone Mock
acroOS
airOS
arcOS
artOS
bitOS
bizOS
boxOS
brainOS
channelOS
cityOS
comOS
commoOS
conOS
craftOS
crossOS
cyberOS
daOS
dailyOS
deepOS
diOS
digiOS
dipOS
dreamOS
dripOS
dropOS
eOS
e-OS
fineOS
firstOS
fitOS
flecOS
flectOS
flexOS
forOS
fromOS
freeOS
funOS
getOS
gigaOS
globalOS
grabOS
gramOS
graphOS
gripOS
happyOS
hitOS
homeOS
iOS
i-OS
inOS
infoOS
interOS
itOS
japaOS
junctOS
keyOS
labOS
letusOS
lexOS
lightOS
logicOS
magicOS
maxOS
megaOS
metaOS
macroOS
microOS
mindOS
miniOS
mogOS
moreOS
myOS
nanoOS
naviOS
neoOS
netOS
nexOS
openOS
optOS
panaOS
petitOS
phoneもどき
plusOS
powerOS
proOS
pressOS
psyOS
questOS
quickOS
rakuOS
scopeOS
selfOS
smartOS
stockOS
softOS
superOS
syOS
symOS
synOS
syncOS
sysOS
teraOS
topOS
touchOS
townOS
transOS
uOS
u-OS
upOS
ultraOS
valiOS
valueOS
visionOS
vitaOS
voiceOS
weOS
webOS
youOS
yourOS
おでん
スマモ
スマラー
ミテクレ