:28s/bad/good/g
:1s/bad/good/g
:$s/bad/good/g
:%s/bad/good/g
:6,28s/bad/good/g
:11,$s/bad/good/g
:.,$s/bad/good/g
:.+1,$s/bad/good/g
:.,.+4s/bad/good/g
:?a?,/b/s/bad/good
:28s/bad/good/g
:1s/bad/good/g
:$s/bad/good/g
:%s/bad/good/g
:6,28s/bad/good/g
:11,$s/bad/good/g
:.,$s/bad/good/g
:.+1,$s/bad/good/g
:.,.+4s/bad/good/g
:?a?,/b/s/bad/good