TYPE A: FULL REDUPLICATION, i.e., CVC+CVC (130 in Dempwolff 1938 called "root iteration"):
*baq+baq	'mouth'
*bəj+bəj	'wind around'
*bək+bək	'pulverized; decayed to dust'  (Dbl: buk+buk)
*biR+biR	'lips'  (Dbl: bi+biR - Type B)
*buD+buD	'chop to bits, mince; porridge'
*buk+buk	'powdery (of decayed wood); wood weevil'
*bun+bun	'gather; heap, pile'  (Dbl: *bun 'abundant, copious')
*bus+bus	'leak, spill out' (but Tag buhos 'pouring, spilling')
*Dah+Dah	'chest, breast'  (Revised by Zorc based on Itb rahdah)
*dak+dak	'beat with a stick or hammer'
*daŋ+daŋ	'to heat'  (Dbl: *da+daŋ - Type B)
*gut+gut	'gnaw off'  (Dbl: *kut+kut; Cf: gu+gut - Type B)
*kaŋ+kaŋ	'spread apart'  (Cf: Tag kaʔaŋ 'of legs or feet')
*kəb+kəb	'cover'
*kis+kis	'scrape, shave, grate'
*ñam+ ñam	'taste'  (Cf: WBM naʔamnaʔam 'taste if food is good')
*pus+pus	'finish, terminate'
*səl+səl	'regret'
*tas+tas	'rip up, cut'