User blog comment:Mango Dolphin/Mango Tells All/@comment-5570376-20130325131636/@comment-5271031-20130326232207

Ignoring the pseudo-vowels,

hymn, rhythm, myth, sylph, syzygy, sky, rhythm, lynx, cwm (Welsh word for valley), nth.

Sounds (for Scrabble purposes)

Brr, Brrr, Crwth, Crwths, Cwm, Cwms, Hm, Hmm, Mm, Nth, Pfft, Phpht, Pht, Psst, Sh, Shh, Tsk, Tsks, Tsktsk, Tsktsks

Abbreviations

WTF, WTH, GTFO, Y, TTYL, WB, GL, GG, etc., etc.

There are others, but I don't really know them. :D