I'm a bit confused on how to populate my new column based on character combinations I have from each of my other columns. Here is my original dataframe: df <
bufferedimage
pdfhtml
live-update
petri-net
nlu
navicat
cve
tizen-tv
tvml
table-functions
interaction
gnu-arm
counting
positive-lookahead
sectionedrecyclerviewadapter
skmultilearn
dbnull
umbrellajs
joiner
flutter-tex
nsepy
cross-origin-read-blocking
filter-repo
pervasive
ptpd
unique-array
skia
custom-error-handling
enumeration
bindableproperty