Is it possible to view this output sorted with titlepage_1.pdf before titlepage_19.pdf?

```
$ ls
allTitlepage.pdf titlepage_12.pdf titlepage_19.tex titlepage_26.pdf titlepage_32.tex titlepage_4.tex
allTitlepage.tex titlepage_12.tex titlepage_1.pdf titlepage_26.tex titlepage_33.pdf titlepage_5.pdf
assignment.pdf titlepage_13.pdf titlepage_1.tex titlepage_27.pdf titlepage_34.pdf titlepage_5.tex
assignment.tex titlepage_13.tex titlepage_20.pdf titlepage_27.tex titlepage_34.tex titlepage_6.pdf
graphicsAssignment2.pdf titlepage_14.pdf titlepage_20.tex titlepage_28.pdf titlepage_35.pdf titlepage_6.tex
graphicsAssignment2.tex titlepage_14.tex titlepage_21.pdf titlepage_28.tex titlepage_35.tex titlepage_7.pdf
README.md titlepage_15.pdf titlepage_21.tex titlepage_29.pdf titlepage_36.pdf titlepage_7.tex
thesisTitlepage.pdf titlepage_15.tex titlepage_22.pdf titlepage_29.tex titlepage_36.tex titlepage_8.pdf
thesisTitlepage.tex titlepage_16.pdf titlepage_22.tex titlepage_2.pdf titlepage_37.pdf titlepage_8.tex
titlepage_0.pdf titlepage_16.tex titlepage_23.pdf titlepage_2.tex titlepage_37.tex titlepage_9.pdf
titlepage_0.tex titlepage_17.pdf titlepage_23.tex titlepage_30.pdf titlepage_38.pdf titlepage_9.tex
titlepage_10.pdf titlepage_17.tex titlepage_24.pdf titlepage_30.tex titlepage_38.tex titlepage_one.pdf
titlepage_10.tex titlepage_18.pdf titlepage_24.tex titlepage_31.pdf titlepage_3.pdf titlepage_one.tex
titlepage_11.pdf titlepage_18.tex titlepage_25.pdf titlepage_31.tex titlepage_3.tex titlepage_two.tex
titlepage_11.tex titlepage_19.pdf titlepage_25.tex titlepage_32.pdf titlepage_4.pdf
```