Second, just ten
uniliteral phonograms make up almost exactly half or 50% of all the hieroglyphs, namely b, j, t, p, r, w, m, s, k, and/; just 32 hieroglyphs, 75%; and 115, 90%.
But this system falls far short of system of key-letters (as uniliteral roots), ignoring such additional roots as p-c 'disperse,' p-c- 'explode,' p-h 'mouth,'p-n-h 'to face, turn to,' p-n-m 'inside,' p-z-r 'scatter,' p-g-' 'hit, injure,' and others beginning with p not followed by r.
One fascinating example is a large heterodox analysis of Hebrew, occasional pushing beyond biliteral roots towards uniliteral roots, by Fabre-d,Olivet, (22) which much impressed a young Benjamin Whorf, (23) who in turn influenced modern general linguistics in powerful (although also heterodox) ways.