Part PI: Prefixes and Infixes

Part PI furnishes patterns bearing at a time a prefix and an Infix.

Part PI consists of two sections: section d and section t.

For section d look at PI-d

But section t is formed of two subsections: PI-t1, look at

PI-t1

and PI-t2: look at

PI-t2

By the time Oham has begun its internet run (end of year 2009) part PI consisted of about xxx patterns: xxx in section PI-d plus zzz in subsection PI-t1 plus rrr in subsection PI-t2.