copay ocpay cpoay pcoay opcay pocay coapy ocapy caopy acopy oacpy aocpy cpaoy pcaoy capoy acpoy pacoy apcoy opacy poacy oapcy aopcy paocy apocy copya ocpya cpoya pcoya opcya pocya coypa ocypa cyopa ycopa oycpa yocpa cpyoa pcyoa cypoa ycpoa pycoa ypcoa opyca poyca oypca yopca pyoca ypoca coayp ocayp caoyp acoyp oacyp aocyp coyap ocyap cyoap ycoap oycap yocap cayop acyop cyaop ycaop aycop yacop oaycp aoycp oyacp yoacp ayocp yaocp cpayo pcayo capyo acpyo pacyo apcyo cpyao pcyao cypao ycpao pycao ypcao caypo acypo cyapo ycapo aycpo yacpo payco apyco pyaco ypaco aypco yapco opayc poayc oapyc aopyc paoyc apoyc opyac poyac oypac yopac pyoac ypoac oaypc aoypc oyapc yoapc ayopc yaopc payoc apyoc pyaoc ypaoc aypoc yapoc
Note: these 'words' (valid or invalid) are all the permutations of the word copay. These words are obtained by scrambling the letters in copay.