USB stick	USB flash drive	2
USB stick	external memory	1
USB stick	external storage	1

USB flash drive	USB stick	2
USB flash drive	external memory	1
USB flash drive	external storage	1

PlayStation	Sony PlayStation	2
PlayStation	PS	2
PlayStation	PSX	2
PlayStation	game console	1

Sony PlayStation	PS	2
Sony PlayStation	PSX	2
Sony PlayStation	game console	1

PSX	Sony PlayStation	2
PSX	PlayStation	2
PSX	PS	2
PSX	game console	1

Walkman	Sony Walkman	2
Walkman	portable music player	1
