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Try this out ...

cat inputFile|sed 's/ [a-zA-Z0-9]*[^a-zA-Z0-9][^a-zA-Z0-9]*[a-zA-Z0-9]* / /g'|sed 's/[ ][a-zA-Z0-9]*[^a-zA-Z0-9 ][^a-zA-Z0-9 ]*[a-zA-Z0-9]*//g'

May be this is what you are looking for:

#!/bin/awk -f
{
limit=5+$1;
firstUnit=$1;
while (firstUnit<limit) {
print firstUnit,$2;
firstUnit=firstUnit+1;
}
}