sjohnson 1378538293 learn # echo "gip taf ma I" | sed 's/ /_/g;s/./&\n/g' | tac | xargs | sed -e 's/ //g;s/_/ /g'
sjohnson 1378538570 forget
sjohnson 1378538577 learn # echo "gip taf ma I" | sed 's/ /_/g;s/./&\n/g' | tac | xargs | sed 's/ //g;s/_/ /g'