whirl hwirl wihrl iwhrl hiwrl ihwrl whril hwril wrhil rwhil hrwil rhwil wirhl iwrhl wrihl rwihl irwhl riwhl hirwl ihrwl hriwl rhiwl irhwl rihwl whilr hwilr wihlr iwhlr hiwlr ihwlr whlir hwlir wlhir lwhir hlwir lhwir wilhr iwlhr wlihr lwihr ilwhr liwhr hilwr ihlwr hliwr lhiwr ilhwr lihwr whrli hwrli wrhli rwhli hrwli rhwli whlri hwlri wlhri lwhri hlwri lhwri wrlhi rwlhi wlrhi lwrhi rlwhi lrwhi hrlwi rhlwi hlrwi lhrwi rlhwi lrhwi wirlh iwrlh wrilh rwilh irwlh riwlh wilrh iwlrh wlirh lwirh ilwrh liwrh wrlih rwlih wlrih lwrih rlwih lrwih irlwh rilwh ilrwh lirwh rliwh lriwh hirlw ihrlw hrilw rhilw irhlw rihlw hilrw ihlrw hlirw lhirw ilhrw lihrw hrliw rhliw hlriw lhriw rlhiw lrhiw irlhw rilhw ilrhw lirhw rlihw lrihw
Note: these 'words' (valid or invalid) are all the permutations of the word whirl. These words are obtained by scrambling the letters in whirl.