On grammatical class:
- gu'a
- logical connective: tanru-internal forethought or (with gi).
- gu'e
- logical connective: tanru-internal forethought and (with gi).
- gu'i
- logical connective: tanru-internal forethought question (with gi).
- gu'o
- logical connective: tanru-internal forethought biconditional/iff/if-and-only-if (with gi).
- gu'u
- logical connective: tanru-internal forethought whether-or-not (with gi).
- gu'anai
- logical connective: tanru-internal forethought conditional/only if (with gi).
- gu'onai
- logical connective: tanru-internal forethought exclusive or (with gi); Latin 'aut'.