The {{tp|[[sitelen sitelen]]}} word glyph for {{tp|tu}} ({{ss|tu}}) is composed of a three-knobbed shape withsurrounding two knobsknob inside.shapes Compareon the worda glyph for {{tp|[[wan]]}} ({{ss|wan}})line. The origin of the glyph is unknown, but the knob shapes inside might represent tally marks of some kind. Compare the word glyph for {{tp|[[wan]]}} ({{ss|wan}}).
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ItThe word glyph can be rotated to face any direction, but it is usually written with the knobs facing away from the word(s) it modifies (facing right in left-to-right direction, and facing down in top-to-bottom direction).
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Like with any monosyllabic word, itthe word {{tp|wan}} may also optionally be written with a [[syllable glyph]] ({{ss|TU}}).