chubs hcubs cuhbs uchbs hucbs uhcbs chbus hcbus cbhus bchus hbcus bhcus cubhs ucbhs cbuhs bcuhs ubchs buchs hubcs uhbcs hbucs bhucs ubhcs buhcs chusb hcusb cuhsb uchsb hucsb uhcsb chsub hcsub cshub schub hscub shcub cushb ucshb csuhb scuhb uschb suchb huscb uhscb hsucb shucb ushcb suhcb chbsu hcbsu cbhsu bchsu hbcsu bhcsu chsbu hcsbu cshbu schbu hscbu shcbu cbshu bcshu csbhu scbhu bschu sbchu hbscu bhscu hsbcu shbcu bshcu sbhcu cubsh ucbsh cbush bcush ubcsh bucsh cusbh ucsbh csubh scubh uscbh sucbh cbsuh bcsuh csbuh scbuh bscuh sbcuh ubsch busch usbch subch bsuch sbuch hubsc uhbsc hbusc bhusc ubhsc buhsc husbc uhsbc hsubc shubc ushbc suhbc hbsuc bhsuc hsbuc shbuc bshuc sbhuc ubshc bushc usbhc subhc bsuhc sbuhc
Note: these 'words' (valid or invalid) are all the permutations of the word chubs. These words are obtained by scrambling the letters in chubs.