片 HEN, kata - part, one of two
留 RYUU, RU, to(meru), to(maru) - fasten, hold, stay, settle
易 EKI, I , yasa(shii), ya(sui) - easy, divination
是 ZE - right, correct, just
一+巾 ICHI, ITSU, hito(tsu) - one / The "Haba" radical - cloth
They all take the "fish" radical (魚 GYO, sakana, uo - fish) to become other characters.
魸 namazu - catfish
鰡 bora, ina, ryuu - grey mullet
鯣 EKI, surume - dried squid
鯷 TEI, shiko, hishiko
魳 SHI, kamasu - barracuda