eath
standing on one's head
eathlins
like sixty
easier
breeze
quicklike
fastly
one-two-three
smartly
chop-chop
quicksmart
jildi
easy peasy lemon squeezy
easy as ABC
easy as 123
lope
quick
downhill
nimps
eathy
mick
mackly
at a canter
one-handed
in a walk
hands down
with one hand tied behind one's back
romp
forthright
⠟⠅
pleasantly
full pelt
opportunely
larghissimo
most Rikki-Tik
prestissimo
like winkin
mile a minute
in no time
pronto
soon
come-at-able
by the minute
one could do it in one's sleep
make little of
tripping
accessible
presently
easyish
straight away
right away
handily
like a chicken on a June bug
quick-handed
piss
by far
nimble-witted
hyperlegible
tidely
quickish
comfortably
mend
one step at a time
speedrun
glegly
easy as pie
piss-easy
simple as kiss your hand
pimpsy
eathly
light
easy as falling off a log
lightsome
belive
breeze through
slower
snell
rapid fire
pass with flying colors
zippy
ace
hot
cake walk
sweep through
nail
brief
bain
sail through
lickety-split
slip
in a jiffy
nominally
easy peasy
before one knows where one is
slowsome