put this script in /usr/local/bin/, make it a command

menu.sh

#!/bin/bash

echo -e "\n MENU\n"
echo "1  machinename"
echo "2  machinename"
echo "3  machinename"
echo "4  machinename"
echo "5  machinename"
echo "6  machinename"
#echo -n "Enter you select(1 2 3 4 or 5):"

YOU=`whoami`

read -p "Enter you select(1 2 3 4 or 5):" -t 10 NUM
case "$NUM" in
    1)
        ssh  $YOU@IP -p 2222
        ;;
    2)
        ssh  $YOU@IP -p 2222
        ;;
    3)
        ssh  $YOU@IP
        ;;
    4)
        ssh  $YOU@IP -p 2222
        ;;
    5)
        ssh  $YOU@IP -p 2222
        ;;
    6)
        ssh  $YOU@IP -p 2222
        ;;
    *)
        echo "Invalid input Or Timeout,ByeBye"
        ;;
esac