すら,ですら => Even A N1
(Not)only , (Not) even
からすると => Considering A... N2
Considering, Concerning
ですから => Because of A, B N3
Reason, Result, Response
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
へ => Go to N, head to N , Often followed by verbs like 行く/いく, 来る/くる, 向かう/むかう… N5
Particles
の[末「すえ」]/た[末「すえ」] => conclusion N2
Reason, Result, Response
くする/にする => To make, to change into N5
Change, cause and effect
んです => Because, by… N4
Situations and Experiences
すると => A. Right after, B N2
Time, Situation
ことにする => Decide to N4
Causative, Passive, Volitional
ずにはすまない/ないではすまない => A must be done N1
Potential, Possibility
やすい => A is easy to do N4
Verb Suffixes