opals poals oapls aopls paols apols oplas polas olpas lopas ploas lpoas oalps aolps olaps loaps alops laops palos aplos plaos lpaos alpos lapos opasl poasl oapsl aopsl paosl aposl opsal posal ospal sopal psoal spoal oaspl aospl osapl soapl asopl saopl pasol apsol psaol spaol aspol sapol oplsa polsa olpsa lopsa plosa lposa opsla posla ospla sopla psola spola olspa lospa oslpa solpa lsopa slopa plsoa lpsoa psloa sploa lspoa slpoa oalsp aolsp olasp loasp alosp laosp oaslp aoslp osalp soalp asolp saolp olsap losap oslap solap lsoap sloap alsop lasop aslop salop lsaop slaop palso aplso plaso lpaso alpso lapso paslo apslo psalo spalo asplo saplo plsao lpsao pslao splao lspao slpao alspo laspo aslpo salpo lsapo slapo
Note: these 'words' (valid or invalid) are all the permutations of the word opals. These words are obtained by scrambling the letters in opals.