egrep '^[^aeiou]{0,2}i[^aeiou]{0,2}ing$' /usr/share/dict/words

consonant_xxixxing.txt

Kipling
Stirling
Viking
bidding
biding
biffing
biking
bilking
billing
binding
binging
binning
birding
biting
blinding
blinking
blitzing
bribing
bricking
bridging
bridling
brimming
bringing
brisking
chiding
chilling
chiming
chinking
chinning
chipping
chirping
citing
clicking
climbing
clinging
clinking
clipping
cribbing
cricking
crimping
cringing
crisping
dicing
diffing
digging
diking
dimming
dinging
dining
dinning
dipping
dishing
dissing
diving
drifting
drilling
drinking
dripping
driving
fibbing
filing
filling
filming
finding
fining
finking
firing
firming
fishing
fitting
fixing
fizzing
flicking
flinging
flipping
flirting
flitting
fringing
frisking
frizzing
gibing
gifting
gigging
gilding
ginning
girding
girting
giving
gliding
glinting
grilling
griming
grinding
grinning
griping
gripping
gritting
hiding
hiking
hinging
hinting
hipping
hiring
hissing
hitting
hiving
icing
idling
incing
inking
inning
irking
jibbing
jibing
jigging
jilting
jinxing
jiving
kicking
kidding
killing
kilning
kinking
kissing
kiting
knifing
knitting
licking
lifting
liking
lilting
liming
limning
limping
lining
linking
linting
lisping
listing
living
miffing
miking
milking
milling
miming
mincing
minding
mining
minting
miring
missing
misting
mixing
nicking
nipping
nixing
phishing
picking
pigging
piing
piking
piling
pilling
pimping
pinging
pining
pinking
pinning
piping
pipping
pissing
pitting
pitying
pricing
pricking
priding
priming
primping
printing
prizing
ribbing
ricing
ricking
ridding
ridging
riding
riffing
rifling
rifting
rigging
riling
riming
rimming
ringing
rinsing
ripping
rising
risking
shifting
shilling
shimming
shining
shinning
shipping
shirking
shirring
shirting
shitting
sibling
sicking
siding
sidling
sifting
sighing
signing
silting
singing
sinking
sinning
sipping
siring
siting
sitting
sizing
skidding
skiing
skimming
skimping
skinning
skipping
skirting
slicing
slicking
sliding
slimming
slinging
slinking
slipping
slitting
smiling
smirking
smiting
sniffing
sniping
snipping
spicing
spiking
spilling
spinning
spiting
spitting
sticking
stiffing
stifling
stilling
stinging
stinking
stinting
stirring
swigging
swilling
swimming
swinging
swiping
swirling
swishing
thinking
thinning
ticking
tiding
tidying
tiffing
tiling
tilling
tilting
timing
tinging
tinning
tinting
tipping
tiring
tithing
titling
tricking
trifling
trilling
trimming
tripling
tripping
twigging
twinging
twining
twinning
twirling
twisting
twitting
vicing
vising
whiffing
whiling
whining
whipping
whirling
whirring
whisking
whiting
whizzing
wigging
wiling
willing
wilting
wincing
winding
winging
wining
winking
winning
wiping
wiring
wishing
witting
wringing
writhing
writing
yipping
zincing
zinging
zipping