bi'i _BIhI -biz- cmavo

non-logical interval connective: unordered between ... and ...

In notes:

bi'oi: non-logical interval connective: ordered interval with specified endpoint/terminus x₁ and signed measure/length/duration x₂; interval between x₁ and x_{1 + x} according to the ordering of the space.
bi'oi'au: digit/number: interval/range indicator for significant digits (determined by lesser endpoint).
su'ero: digit/number: any number