#print odd numbered lines
sed -n 1~2p names.lst

#print even numbered lines
sed -n 2~2p names.lst

#randomize name list
random="$(sort -R names.lst)"


echo $random

#set Internal Field Separator to space
IFS=" "
echo $random

#put even names and odd names into lists
odds="$(echo $random|sed -n 1~2p)"
evens="$(echo $random|sed -n 2~2p)"

#print name list team up
paste <(echo "$odds") <(echo "$evens")

#Formatted
paste <(echo "$odds") <(echo "$evens")|column -t