Sawasdee ka (don't have thai fonts on this laptop)
I also use Sign language with Oliver, we started with BSL but recently changed to Makaton because Oliver loves Justin on Something Special (BBC) who uses Makaton to teach children with learning dificulty.
ป้าอุ้มไม่มีลูก แต่จะเก็บเอาไว้สอนลุงเจ...