hypha yhpha hpyha phyha yphha pyhha hyhpa yhhpa hhypa hhypa yhhpa hyhpa hphya phhya hhpya hhpya phhya hphya yphha pyhha yhpha hypha phyha hpyha hypah yhpah hpyah phyah yphah pyhah hyaph yhaph hayph ahyph yahph ayhph hpayh phayh hapyh ahpyh pahyh aphyh ypahh pyahh yaphh ayphh payhh apyhh hyhap yhhap hhyap hhyap yhhap hyhap hyahp yhahp hayhp ahyhp yahhp ayhhp hhayp hhayp hahyp ahhyp hahyp ahhyp yhahp hyahp yahhp ayhhp hayhp ahyhp hphay phhay hhpay hhpay phhay hphay hpahy phahy haphy ahphy pahhy aphhy hhapy hhapy hahpy ahhpy hahpy ahhpy phahy hpahy pahhy aphhy haphy ahphy yphah pyhah yhpah hypah phyah hpyah ypahh pyahh yaphh ayphh payhh apyhh yhaph hyaph yahph ayhph hayph ahyph phayh hpayh pahyh aphyh hapyh ahpyh
Note: these 'words' (valid or invalid) are all the permutations of the word hypha. These words are obtained by scrambling the letters in hypha.