You may have seen many of these forms before, particularly on Usenet. They are usually dismissed as misspellings or mere abbreviations. The reality is that, by any measure, they are better than the standard spellings.
analyz
anml
ansr
apl
axept
axesabl
batl
blu
(verb & adjective)
buety
betr
blok
bo
(made from ribbons)
botl
byt
(applies to dogs & nerds)
capitl
(money, cities and buildings)
capsion
caus
(goes with "effect")
caut
chairmn
comn
cood
(rhymes with "wood")
cru
(shipside employees)
custm
dautr
defye
eatn
exept
exlnt
factr
fantm
fasion
filosofy
frend
frst
fyl
fyt
gest
giv
goast
hav
hevn
hidn
horrabl
houss
hrd
(group of animals and what you just did with your ears)
hu
(the guy on first)
hyt
imaj
jermn
jentl
juj
(comes in the hanging variety)
letr
lisn
litl
lyf
mountn
my
mynd
nollaj
marraj
ofisial
ofiss
oftn
pasion
pedl
(found on bikes; to sell stuff)
pedlr
(guy who sells stuff)
pensl
posabl
prezent
(verb)
preznt
(as in "gift" and "here")
rais
(something that is supposed to happen to your salary)
record
(verb)
recrd
[noun)
ritn
ryt
(the opposite of left; a ceremony; the present of "roat")
scriptuer
sertn
servr
sevn
shu
(something you put on your feet;
what you do to flies)
shood
(rhymes with "cood")
sistm
speek
stopd
styl
sudn
sycl
syn
syt
(covers vision, references and places)
tacl
tho
trubl
tu
(covers "to" "too" "two")
vue
waitr
wethr
wimn
wumn
wynd
(a clock)