2912. What's the common thread linking these five groups of kanji? 、+一+由+寸 臣+又 文 従 甘

、+一+由+寸 Comma / ICHI, ITSU, hito(tsu) - one / YUU, YU, YUI, yoshi - reason, cause / SUN - unit of length

臣+又 SHIN, JIN - retainer, subject / mata - again, also, moreover

文 BUN, MON, fumi - text, literature

従 JUU, JU, SHOU, shitaga(u), shitaga(eru) - obey, comply, follow, conquer

甘 KAN, ama(i), ama(eru), ama(yakasu) - sweet, indulgent, coax, optimistic

Add 糸 (SHI, ito - thread) to make different characters:

縛 BAKU, shiba(ru) - tie up, bind

緊 KIN - hard, tight

紋 MON - crest, pattern

縦 JUU , tate - height, vertical

紺 KON - dark blue, navy