Input:
1.base
2.basebase2
3.basebase2base3
4.basebase2base3
5.basebase2base3
6.basebase2base3
8.basebase2
10.
base
baserubytext
basebase
Expected output:
1.base
2.basebase2
3.basebase2base3
4.basebase2base3
5.basebase2base3
6.basebase2base3
8.basebase2
10.
base
baserubytext
basebase