Original state:
AARON
-Lineage of Ex 6:16-20; Jos 21:4,10; 1Ch 6:2,3; 23:13
-Marriage of Ex 6:23
-Children of Ex 6:23,25; 1Ch 6:3; 24:1,2
after running :%s/^ \w*$)/\1^M/g
AARON
-Lineage of Ex 6:16-20; Jos 21:4,10; 1Ch 6:2,3; 23:13
-Marriage of Ex 6:23
-Children of Ex 6:23,25; 1Ch 6:3; 24:1,2
However this missed anything with more than one word, ie:
ABEL-BETH-MAACHAH
-Also called ABEL-MAIM
-(A city in the north of Palestine)
or
ACCUSATION, FALSE
-General scriptures concerning Ex 23:1,7; Le 19:16; Ps 41:5-9;
Mt 5:11; Lu 3:14; 2Ti 3:3; 1Pe 4:14
or
ASS (DONKEY)
-DOMESTICATED
.Herds of Ge 12:16; 24:35; 32:5; 34:28; Nu 31:34,45; 1Ch 5:21;
Ezr 2:67; Ne 7:69