phoca hpoca pohca ophca hopca ohpca phcoa hpcoa pchoa cphoa hcpoa chpoa pocha opcha pcoha cpoha ocpha copha hocpa ohcpa hcopa chopa ochpa cohpa phoac hpoac pohac ophac hopac ohpac phaoc hpaoc pahoc aphoc hapoc ahpoc poahc opahc paohc apohc oaphc aophc hoapc ohapc haopc ahopc oahpc aohpc phcao hpcao pchao cphao hcpao chpao phaco hpaco pahco aphco hapco ahpco pcaho cpaho pacho apcho capho acpho hcapo chapo hacpo ahcpo cahpo achpo pocah opcah pcoah cpoah ocpah copah poach opach paoch apoch oapch aopch pcaoh cpaoh pacoh apcoh capoh acpoh ocaph coaph oacph aocph caoph acoph hocap ohcap hcoap choap ochap cohap hoacp ohacp haocp ahocp oahcp aohcp hcaop chaop hacop ahcop cahop achop ocahp coahp oachp aochp caohp acohp
Note: these 'words' (valid or invalid) are all the permutations of the word phoca. These words are obtained by scrambling the letters in phoca.