giing gippi i-pin igigi igni- iiiii imin- iming immix ingin inimi ining inini inipi inmix iping ipini mi-mi mimmi mimpi mingi mini- minim minin minix minmi minni minnx mipim mixin mixxx mmiii mmmmm mmpip mmxii mpigi mxiii n-p-n nginx niiip niimi nimmi ningi nipin p-n-p pgnig pigin piing pinin pinn- pinni pippi ppxii x-ing xinmi xinpi xming xxiii xxxii xxxix