By alphabet
I've successfully discoved solution to remember L- series:
load,loan, loath,lob,lobby, lobster, local--locate,lock,loco,loco-,loco,locomotion,locust,lodestar,lodge,lofty,log,logarithm,logged,logic,logistics,logo-,logy, -logy,loiter,loll, lone,long,longitude,loom,loom,loon,loon,loop,loose,loot,lop,lop,lop,loquacious, lord,lose,loss, lot,lottery,loud, lounge,louse,lout,love,low,loyal,luck,lurch,lurk,lush,lustily,luster,lute,luxurious,
