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Thank you but the 3rd and 4th vertical line still doesnt go all the way up. Is there anyway to fix this?

Hi there
I am trying to make a table where "Kriterier" (which means Criteria) and "Ideer" (which means Ideas) to be on seperate lines inside the same box and point toward the row besides it and the column down under respectively.
But when i do the vertical lines break at the top for some reason ...

When i compile my tex file the æ,ø and å's arent registered after i have used a \rightarrow

Im using following packages after searching online for similar questions

\usepackage[utf8]{inputenc}
\usepackage[danish]{babel}
\renewcommand{\danishhyphenmins}{22}
\usepackage[T1]{fontenc}
\usepackage ...