friend rfiend firend ifrend rifend irfend freind rfeind ferind efrind refind erfind fiernd ifernd feirnd efirnd iefrnd eifrnd riefnd irefnd reifnd erifnd ierfnd eirfnd frined rfined firned ifrned rifned irfned frnied rfnied fnried nfried rnfied nrfied finred ifnred fnired nfired infred nifred rinfed irnfed rnifed nrifed inrfed nirfed frenid rfenid fernid efrnid refnid erfnid frneid rfneid fnreid nfreid rnfeid nrfeid fenrid efnrid fnerid nferid enfrid nefrid renfid ernfid rnefid nrefid enrfid nerfid fienrd ifenrd feinrd efinrd iefnrd eifnrd finerd ifnerd fnierd nfierd inferd niferd fenird efnird fneird nfeird enfird nefird ienfrd einfrd inefrd niefrd enifrd neifrd rienfd irenfd reinfd erinfd iernfd eirnfd rinefd irnefd rniefd nriefd inrefd nirefd renifd ernifd rneifd nreifd enrifd nerifd ienrfd einrfd inerfd nierfd enirfd neirfd friedn rfiedn firedn ifredn rifedn irfedn freidn rfeidn feridn efridn refidn erfidn fierdn iferdn feirdn efirdn iefrdn eifrdn riefdn irefdn reifdn erifdn ierfdn eirfdn friden rfiden firden ifrden rifden irfden frdien rfdien fdrien dfrien rdfien drfien fidren ifdren fdiren dfiren idfren difren ridfen irdfen rdifen drifen idrfen dirfen fredin rfedin ferdin efrdin refdin erfdin frdein rfdein fdrein dfrein rdfein drfein fedrin efdrin fderin dferin edfrin defrin redfin erdfin rdefin drefin edrfin derfin fiedrn ifedrn feidrn efidrn iefdrn eifdrn fidern ifdern fdiern dfiern idfern difern fedirn efdirn fdeirn dfeirn edfirn defirn iedfrn eidfrn idefrn diefrn edifrn deifrn riedfn iredfn reidfn eridfn ierdfn eirdfn ridefn irdefn rdiefn driefn idrefn direfn redifn erdifn rdeifn dreifn edrifn derifn iedrfn eidrfn iderfn dierfn edirfn deirfn frinde rfinde firnde ifrnde rifnde irfnde frnide rfnide fnride nfride rnfide nrfide finrde ifnrde fnirde nfirde infrde nifrde rinfde irnfde rnifde nrifde inrfde nirfde fridne rfidne firdne ifrdne rifdne irfdne frdine rfdine fdrine dfrine rdfine drfine fidrne ifdrne fdirne dfirne idfrne difrne ridfne irdfne rdifne drifne idrfne dirfne frndie rfndie fnrdie nfrdie rnfdie nrfdie frdnie rfdnie fdrnie dfrnie rdfnie drfnie fndrie nfdrie fdnrie dfnrie ndfrie dnfrie rndfie nrdfie rdnfie drnfie ndrfie dnrfie findre ifndre fnidre nfidre infdre nifdre fidnre ifdnre fdinre dfinre idfnre difnre fndire nfdire fdnire dfnire ndfire dnfire indfre nidfre idnfre dinfre ndifre dnifre rindfe irndfe rnidfe nridfe inrdfe nirdfe ridnfe irdnfe rdinfe drinfe idrnfe dirnfe rndife nrdife rdnife drnife ndrife dnrife indrfe nidrfe idnrfe dinrfe ndirfe dnirfe frendi rfendi ferndi efrndi refndi erfndi frnedi rfnedi fnredi nfredi rnfedi nrfedi fenrdi efnrdi fnerdi nferdi enfrdi nefrdi renfdi ernfdi rnefdi nrefdi enrfdi nerfdi fredni rfedni ferdni efrdni refdni erfdni frdeni rfdeni fdreni dfreni rdfeni drfeni fedrni efdrni fderni dferni edfrni defrni redfni erdfni rdefni drefni edrfni derfni frndei rfndei fnrdei nfrdei rnfdei nrfdei frdnei rfdnei fdrnei dfrnei rdfnei drfnei fndrei nfdrei fdnrei dfnrei ndfrei dnfrei rndfei nrdfei rdnfei drnfei ndrfei dnrfei fendri efndri fnedri nfedri enfdri nefdri fednri efdnri fdenri dfenri edfnri defnri fnderi nfderi fdneri dfneri ndferi dnferi endfri nedfri ednfri denfri ndefri dnefri rendfi erndfi rnedfi nredfi enrdfi nerdfi rednfi erdnfi rdenfi drenfi edrnfi dernfi rndefi nrdefi rdnefi drnefi ndrefi dnrefi endrfi nedrfi ednrfi denrfi nderfi dnerfi fiendr ifendr feindr efindr iefndr eifndr finedr ifnedr fniedr nfiedr infedr nifedr fenidr efnidr fneidr nfeidr enfidr nefidr ienfdr einfdr inefdr niefdr enifdr neifdr fiednr ifednr feidnr efidnr iefdnr eifdnr fidenr ifdenr fdienr dfienr idfenr difenr fedinr efdinr fdeinr dfeinr edfinr definr iedfnr eidfnr idefnr diefnr edifnr deifnr finder ifnder fnider nfider infder nifder fidner ifdner fdiner dfiner idfner difner fndier nfdier fdnier dfnier ndfier dnfier indfer nidfer idnfer dinfer ndifer dnifer fendir efndir fnedir nfedir enfdir nefdir fednir efdnir fdenir dfenir edfnir defnir fndeir nfdeir fdneir dfneir ndfeir dnfeir endfir nedfir ednfir denfir ndefir dnefir iendfr eindfr inedfr niedfr enidfr neidfr iednfr eidnfr idenfr dienfr edinfr deinfr indefr nidefr idnefr dinefr ndiefr dniefr endifr nedifr ednifr denifr ndeifr dneifr riendf irendf reindf erindf ierndf eirndf rinedf irnedf rniedf nriedf inredf niredf renidf ernidf rneidf nreidf enridf neridf ienrdf einrdf inerdf nierdf enirdf neirdf riednf irednf reidnf eridnf ierdnf eirdnf ridenf irdenf rdienf drienf idrenf direnf redinf erdinf rdeinf dreinf edrinf derinf iedrnf eidrnf idernf diernf edirnf deirnf rindef irndef rnidef nridef inrdef nirdef ridnef irdnef rdinef drinef idrnef dirnef rndief nrdief rdnief drnief ndrief dnrief indref nidref idnref dinref ndiref dniref rendif erndif rnedif nredif enrdif nerdif rednif erdnif rdenif drenif edrnif dernif rndeif nrdeif rdneif drneif ndreif dnreif endrif nedrif ednrif denrif nderif dnerif iendrf eindrf inedrf niedrf enidrf neidrf iednrf eidnrf idenrf dienrf edinrf deinrf inderf niderf idnerf dinerf ndierf dnierf endirf nedirf ednirf denirf ndeirf dneirf
Note: these 'words' (valid or invalid) are all the permutations of the word friend. These words are obtained by scrambling the letters in friend.