pogur opgur pgour gpour ogpur gopur pougr opugr puogr upogr oupgr uopgr pguor gpuor pugor upgor gupor ugpor ogupr goupr ougpr uogpr guopr ugopr pogru opgru pgoru gporu ogpru gopru porgu oprgu progu rpogu orpgu ropgu pgrou gprou prgou rpgou grpou rgpou ogrpu gorpu orgpu rogpu gropu rgopu pourg opurg puorg uporg ouprg uoprg porug oprug proug rpoug orpug ropug purog uprog pruog rpuog urpog rupog ourpg uorpg orupg roupg uropg ruopg pguro gpuro pugro upgro gupro ugpro pgruo gpruo prguo rpguo grpuo rgpuo purgo uprgo prugo rpugo urpgo rupgo gurpo ugrpo grupo rgupo urgpo rugpo ogurp gourp ougrp uogrp guorp ugorp ogrup gorup orgup rogup group rgoup ourgp uorgp orugp rougp urogp ruogp gurop ugrop gruop rguop urgop rugop
Note: these 'words' (valid or invalid) are all the permutations of the word pogur. These words are obtained by scrambling the letters in pogur.