y'y BY2 cmavo

letteral for '.

In notes:

x1 (mass) is a family with members including x2 bonded/tied/joined according to standard x3.
x1 (letteral: la'e zo BY/word-bu) is a hyphen/joining letter(al) in language x2 with function in/context of use/with rules for use/with properties x3, joining prefixed unit/lexeme/morpheme/string x4 (quote) to postfixed unit/lexeme/morpheme/string x5 (quote) in construct (full word) x6 (quote)