Prefixes and suffixes
Generate all prefixes of "vimchallenge", then all suffixes.
Start file
vimchallenge
End file
vimchallenge vimchalleng vimchallen vimchalle vimchall vimchal vimcha vimch vimc vim vi v vimchallenge imchallenge mchallenge challenge hallenge allenge llenge lenge enge nge ge e
View Diff
1a2,25 > vimchalleng > vimchallen > vimchalle > vimchall > vimchal > vimcha > vimch > vimc > vim > vi > v > > vimchallenge > imchallenge > mchallenge > challenge > hallenge > allenge > llenge > lenge > enge > nge > ge > e
Solutions by @retired10072015:
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