Note: these 'words' (valid or invalid) are all the permutations of the word lam. These words are obtained by scrambling the letters in lam.
Definitions and meaning of lam
From Middle Englishlamen, lemen, from Old Englishlemian and Old Norselemja; both from Proto-Germanic*lamjaną.
lam (third-person singular simple presentlams, present participlelamming, simple past and past participlelammed)
(transitive) To beat or thrash.
1930, Langston Hughes and Zora Neale Hurston, Mule Bone, Act II, Scene 2, in The Collected Works of Langston Hughes, Volume 5: The Plays to 1942: Mulatto to The Sun Do Move, edited by Leslie Catherine Sanders, Columbia: University of Missouri Press, 2002, p. 102,
An' fo' I knowed it, he done picked up that bone an' lammed me ovah de head wid it.
1953, C. S. Lewis, The Silver Chair, Collins, 1998, Chapter ,
They lammed each other on the head with great, clumsy stone hammers; but their skulls were so hard that the hammers bounced off again […]
(intransitive, dated, slang) To flee or run away.
1947, Bill Finger, World's Finest Comics #30, "The Penny Plunderers!", p. 4:
[Gangster running away:] Batman and Robin! Let's lam!
on the lam
From Arabicلَام (lām), the name of the letter ل (l).
The twenty-third letter of the Arabic alphabet, ل (l). It is preceded by ك (k) and followed by م (m).