Bukkit

Use this if you don't want to set 60 individual permissions

messages.* - Allows access to all commands.

The rest of the permissions

messages.messages - Allows access to /sm
messages.help - Allows access to /sm help
messages.version - Allows access to /sm version
messages.slap - Allows access to /sm slap
messages.love - Allows access to /sm love
messages.hate - Allows access to /sm hate
messages.hug - Allows access to /sm hug
messages.kiss - Allows access to /sm kiss
messages.friend - Allows access to /sm friend
messages.skype - Allows access to /sm skype
messages.asdf - Allows access to /sm asdf
messages.facepalm - Allows access to /sm facepalm
messages.lol - Allows access to /sm lol
messages.rofl - Allows access to /sm rofl
messages.hifive - Allows access to /sm hifive
messages.facedesk - Allows access to /sm facedesk
messages.facebook - Allows access to /sm facebook
messages.wtf - Allows access to /sm wtf
messages.dfacepalm - Allows access to /sm dfacepalm
messages.ew - Allows access to /sm ew
messages.nom - Allows access to /sm nom
messages.stfu - Allows access to /sm stfu
messages.troll - Allows access to /sm troll
messages.cake - Allows access to /sm cake
messages.ikr - Allows access to /sm ikr
messages.spam - Allows access to /sm spam
messages.hi - Allows access to /sm hi
messages.bye - Allows access to /sm bye
messages.fart - Allows access to /sm fart
messages.spank - Allows access to /sm spank
messages.derp - Allows access to /sm derp
messages.lmao - Allows access to /sm lmao
messages.lmfao - Allows access to /sm lmfao
messages.pie - Allows access to /sm pie
messages.biggity - Allows access to /sm biggity
messages.meow - Allows access to /sm meow
messages.rawr - Allows access to /sm rawr
messages.epicfail - Allows access to /sm epicfail
messages.bark - Allows access to /sm bark
messages.fail - Allows access to /sm fail
messages.yawn - Allows access to /sm yawn
messages.cry - Allows access to /sm cry
messages.omg - Allows access to /sm omg
messages.fml - Allows access to /sm fml
messages.quack - Allows access to /sm quack
messages.date - Allows access to /sm date
messages.gangnam - Allows access to /sm gangnam
messages.cheer - Allows access to /sm cheer
messages.boo - Allows access to /sm boo
messages.rage - Allows access to /sm rage
messages.ragequit - Allows access to /sm ragequit
messages.moo - Allows access to /sm moo
messages.dance - Allows access to /sm dance
messages.stalk - Allows access to /sm stalk
messages.annoyed - Allows access to /sm annoyed
messages.smile - Allows access to /sm smile
messages.smirk - Allows access to /sm smirk
messages.911 - Allows access to /sm 911
messages.fish - Allows access to /sm fish
messages.knee - Allows access to /sm knee
messages.own - Allows access to /sm own
messages.pwn - Allows access to /sm pwn
messages.sneeze - Allows access to /sm sneeze
messages.puke - Allows access to /sm puke
messages.whistle - Allows access to /sm whistle
messages.youtube - Allows access to /sm youtube