Quenya 

-ltë

they

-ltë, 3rd person pl. pronominal suffix, "they" (VT49:51; cariltë "they do", VT49:16, 17). It alternates with -ntë in Tolkiens manuscripts (VT49:17, 57). In his early material, the ending also appears as -lto, occurring in Fíriel's Song (meldielto "they are beloved" and cárielto "they made"), also in LT1:114: tulielto "they have come" (cf. VT49:57). Compare -lta, -ltya as the ending for "their".