s/un.*/naraion/ s/akima/&u/ s/ama/&usu/ s/aima/&nbou/ s/nwa/&i/ s/wa/&n/ s/tou/&sagi/ s/ha.*/&nagi/ s/tt.*/&kanku/ s/^m.*/tanoshiiA/ s/^su.*/yukainaA/ s/A/ nakamaga popopopo-n/
Note that non-ascii characters in the above source code will be escaped (such as \x9f).