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 <
letter-spacing
tianshou
texturing
gstat
mayanedms
vte
jbase
acl
openmesh
scitools
dblink
descendant
hackmd
ionic5
exiv2
intl
jnativehook
datepart
internationalization
huggingface
react-redux-form
servicestack-text
qjsonobject
spago
web-storage
export-to-pdf
dataspell
git-workflow
comfortable-mexican-sofa
right-join