Dio(Torah le tefillin ho jihna pen tui/ink) avomma jih tefillin parshyot chu jih ding ahi. Rong(color) danga akijihle vang pasul(athienglou) ahi. Kitzur Shulchan Aruch Yalkut Yosef 32:7
Lekha asim toh asun thim, chule chapang hilouva alen, hougut mi ahi ngai ahi sofer hinadinga. Shulchan Aruch Orach Chayim 32:30, 39:1