pukas upkas pkuas kpuas ukpas kupas puaks upaks pauks apuks uapks aupks pkaus kpaus pakus apkus kapus akpus ukaps kuaps uakps aukps kaups akups puksa upksa pkusa kpusa ukpsa kupsa puska upska psuka spuka uspka supka pksua kpsua pskua spkua kspua skpua ukspa kuspa uskpa sukpa ksupa skupa puask upask pausk apusk uapsk aupsk pusak upsak psuak spuak uspak supak pasuk apsuk psauk spauk aspuk sapuk uaspk auspk usapk suapk asupk saupk pkasu kpasu paksu apksu kapsu akpsu pksau kpsau pskau spkau kspau skpau pasku apsku psaku spaku aspku sapku kaspu akspu ksapu skapu askpu sakpu ukasp kuasp uaksp auksp kausp akusp uksap kusap uskap sukap ksuap skuap uaskp auskp usakp suakp asukp saukp kasup aksup ksaup skaup askup sakup
Note: these 'words' (valid or invalid) are all the permutations of the word pukas. These words are obtained by scrambling the letters in pukas.