かれ~かれ => A or B N1
Lists, examples
~かれ~かれ      => sooner or later; more or less N1
かもしれない => might; perhaps; indicates possibility N4
たしかに/なるほど~かもしれない => might; perhaps N3
Speculation
それから => Afterward, from that N5
Happens next
どれですか => Which one N5
Confirm
~ ば/たら~かもしれない => If only... then... N2
Regret
~ ば/たら~かもしれない => If...then maybe... N3
Condition (hypothetical condition)
..... ばかりもいられない => can't keep doing ~ N2
Speculation
ばかりはいられない => can’t keep doing ~ N2
それどころか => on the contrary N2
Emphasis on degree
あるいは~かもしれない => Or maybe... perhaps N4
Line up, list