pashm apshm psahm spahm asphm saphm pahsm aphsm phasm hpasm ahpsm hapsm psham spham phsam hpsam shpam hspam ashpm sahpm ahspm haspm shapm hsapm pasmh apsmh psamh spamh aspmh sapmh pamsh apmsh pmash mpash ampsh mapsh psmah spmah pmsah mpsah smpah mspah asmph samph amsph masph smaph msaph pahms aphms phams hpams ahpms hapms pamhs apmhs pmahs mpahs amphs maphs phmas hpmas pmhas mphas hmpas mhpas ahmps hamps amhps mahps hmaps mhaps pshma sphma phsma hpsma shpma hspma psmha spmha pmsha mpsha smpha mspha phmsa hpmsa pmhsa mphsa hmpsa mhpsa shmpa hsmpa smhpa mshpa hmspa mhspa ashmp sahmp ahsmp hasmp shamp hsamp asmhp samhp amshp mashp smahp msahp ahmsp hamsp amhsp mahsp hmasp mhasp shmap hsmap smhap mshap hmsap mhsap
Note: these 'words' (valid or invalid) are all the permutations of the word pashm. These words are obtained by scrambling the letters in pashm.