[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation
てさしあげる => Do for N4
Give and take advice
なさい => Do A (command) N4
Can, Should, Must
さえ/にさえ/でさえ => Even N3
Not only, Not even
~てください => Please do ~ N5
Asking and Telling
でも[差「さ」]し[支「つか」]えない => It's OK if A, it doesn't matter if A N1
Need/Requirements
~ないでください => Please don't do~ N5
Asking and Telling
をください => Please give me N N5
Asking and Telling
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
さしあげる => Give B to A (A is a third party, not yourself) N4
Give and take advice
さて => So N2
Miscellaneous
らしい => Seem to~ N4
Sentence Endings