Answer:
ラ Katakana "Ra"
ノ+｜ Katakana "No" / The "Tatebou" radical - vertical stroke
一+口+リ ICHI, ITSU, hito(tsu) - one / KOU, kuchi - mouth / Katakana "Ri" or The "Rittou" radical - knife, sword
口+ノ+フ KOU, kuchi - mouth / Katakana "No" / Katakana "Hu"
⽧+一+月+リ+心 The "Yamaidare" radical - sickness / ICHI, ITSU, hito(tsu) - one / GETSU, GATSU, tsuki - moon, month / Katakana "Ri" or The "Rittou" radical - knife, sword / SHIN, kokoro - heart
Add 人 / ⺅ (JIN, NIN, hito - person / The "Ninben" radical - person) and they will not be so lonely.
今 KON, ima - now, this
介 KAI - shellfish, be in between
剣 KEN, tsurugi - sword
吹 SUI, fu(ku) - blow
癒 YU - heal, cure