x1 expresses/says x2 (sedu'u/text), then x3 says x4, then x5 says x6...
Useful for dialogues. See: "cusku", "tcuskuue", "5 (use "fa'u" if desired) in which the following utterances/messages/expressions are, in/according to frame of reference x6, made/sent or received in approximately the following chronological order: x7 (sedu'u/text/quote/lu'e concept vel sim.), x8 (sedu'u/text/quote/lu'e concept vel sim.), x9 (sedu'u/text/quote/lu'e concept vel sim.), ... (open-ended terbri structure of arbitrarily many sumti slots).">tcasnuue".