Below is a list of potential QWERTY keyboard 'typos' (typing mistakes) for the phrase 'youtub', from the free online typo generator. Enter another phrase to see possible typing errors, or select from one of the "top typos" charts.
Original
youtub
Transposition0
oyutub
yuotub
yotuub
youutb
youtbu
Transposition1
uoytub
ytuoub
youbut
Transposition2
touyub
yuutob
yobtuu
Transposition2r
tuoyub
yutuob
yobutu
Transposition0x2
oytuub
oyuutb
oyutbu
yuoutb
yuotbu
yotubu
Slip3A
ouytub
yutoub
yotuub
youubt
Slip3B
uyotub
ytouub
youutb
youbtu
Omission
outub
yutub
yotub
youub
youtb
youtu
Repetition
yyoutub
yooutub
youutub
youttub
youtuub
youtubb
QWERTY Substitution
toutub
uoutub
yiutub
yputub
yoytub
yoitub
yourub
youyub
youtyb
youtib
youtuv
youtun
QWERTY Repetition after
ytoutub
yuoutub
yoiutub
yoputub
youytub
youitub
youtrub
youtyub
youtuyb
youtuib
youtubv
youtubn
QWERTY Repetition before
tyoutub
uyoutub
yioutub
ypoutub
yoyutub
yoiutub
yourtub
youytub
youtyub
youtiub
youtuvb
youtunb
QWERTY Substitution Transposed
otutub
tuotub
totuub
touutb
toutbu
ouutub
uuotub
uotuub
uouutb
uoutbu
iyutub
yuitub
yituub
yiuutb
yiutbu
pyutub
yuptub
yptuub
ypuutb
yputbu
oyytub
yyotub
yotyub
yoyutb
yoytbu
oyitub
yiotub
yotiub
yoiutb
yoitbu
oyurub
yuorub
yoruub
youurb
yourbu
oyuyub
yuoyub
yoyuub
youuyb
youybu
oyutyb
yuotyb
yotuyb
youytb
youtby
oyutib
yuotib
yotuib
youitb
youtbi
oyutuv
yuotuv
yotuuv
youutv
youtvu
oyutun
yuotun
yotuun
youutn
youtnu
WrongDoubles
$JSON
$address
$applyDefault
$clone
$commas
$copy
$copyFields
$delete
$entries
$expand
$filt
$getType
$isArray
$isBoolean
$isClass
$isDate
$isElement
$isFunction
$isNumber
$isObject
$isString
$isType
$isValidDate
$json2txt
$keys
$load
$matchall
$parseFloats
$pick
$postJSON
$prune
$save
$set
$sortBy
$sortKeys
$stringify
$stringifySafe
$sum
$svgPoster1
$table
$textify
$toFixed
$type
$without
Glossary
Transposition = adjacent pairs of letters are swapped
Omission = individual letters are missed out
Repetition = individual letters are entered twice consecutively
QWERTY substitution = letters are replaced by each of their QWERTY-keyboard based physical neighbours (e.g. 'h' gets replaced with y, u, j, n, b, g)
QWERTY repetition type 1 = letters are followed by each of their QWERTY-keyboard neighbours
QWERTY repetition type 2 = letters are preceded by each of their QWERTY-keyboard neighbours