Permutations For RTAPI

Here are all the permutations for the letters RTAPI.

rtapi rtaip rtpai rtpia rtiap rtipa ratpi ratip rapti rapit raitp raipt rptai rptia rpati rpait rpita rpiat ritap ritpa riatp riapt ripta ripat trapi traip trpai trpia triap tripa tarpi tarip tapri tapir tairp taipr tprai tpria tpari tpair tpira tpiar tirap tirpa tiarp tiapr tipra tipar artpi artip arpti arpit aritp aript atrpi atrip atpri atpir atirp atipr aprti aprit aptri aptir apirt apitr airtp airpt aitrp aitpr aiprt aiptr prtai prtia prati prait prita priat ptrai ptria ptari ptair ptira ptiar parti parit patri patir pairt paitr pirta pirat pitra pitar piart piatr irtap irtpa iratp irapt irpta irpat itrap itrpa itarp itapr itpra itpar iartp iarpt iatrp iatpr iaprt iaptr iprta iprat iptra iptar ipart ipatr