Vocabulary consisting only from characters you are able to read
管
くだ
pipe, tube; pipe, tubemix
係る
かかわる
(1)to be the work of, to be the result of, to be done by, (2)to concern, to affect, to involve, to relate to; (3)to be affected, to be influenced, (4)to be concerned with, to have to do with, (5) godan, verb, vintrans
育児
いくじ
childcare, nursing, upbringingsuru
幸せ
しあわせ
happiness, good fortune, luck, blessingmix
守る
まもる
(1)to protect/to guard/to defend/ (2)to keep (i.e. a promise)/to abide (by the rules)/to observe/to obey/to follow/(P) godan, jlpt3, leda1, verb, vtrans
整列
せいれつ
standing in a row, forming a line, alignmentsuru