caple acple cpale pcale apcle pacle calpe aclpe clape lcape alcpe lacpe cplae pclae clpae lcpae plcae lpcae aplce palce alpce lapce place lpace capel acpel cpael pcael apcel pacel caepl acepl ceapl ecapl aecpl eacpl cpeal pceal cepal ecpal pecal epcal apecl paecl aepcl eapcl peacl epacl calep aclep claep lcaep alcep lacep caelp acelp cealp ecalp aeclp eaclp cleap lceap celap eclap lecap elcap alecp laecp aelcp ealcp leacp elacp cplea pclea clpea lcpea plcea lpcea cpela pcela cepla ecpla pecla epcla clepa lcepa celpa eclpa lecpa elcpa pleca lpeca pelca eplca lepca elpca aplec palec alpec lapec plaec lpaec apelc paelc aeplc eaplc pealc epalc alepc laepc aelpc ealpc leapc elapc pleac lpeac pelac eplac lepac elpac
Note: these 'words' (valid or invalid) are all the permutations of the word caple. These words are obtained by scrambling the letters in caple.