Part PS furnishes patterns bearing at a time a prefix and a suffix.
Part PS is composed of three sections: section m, section d and section t.
Section m: this offers patterns consisting of one root consonant with a prefix plus a suffix. Look at PS-m
Section d: this offers patterns consisting of two root consonants with a prefix plus a suffix. Look at PS-d
Section t: this offers patterns consisting of three root consonants plus a prefix and a suffix: PS-t
By the time Oham has begun its internet run (end of year 2009) part PS consists of about 1333 patterns: 111 in section PS-m plus 222 in section PS-d plus 833 in section PS-t.