eeee eele eete eiei eier eile eire eiti eitr elee eler elet elie elil elit elle elli elte erei erel erer eret erie eril erit erle erli erll erre ertl etee etel eter etre ette etti ieet ieie iele iere ieri iett iiie iiii iiit iitr iitt ile- iler ilet ilie ilir ilit ill- ille illi illt ilre iree irel irer iri- irie iril irre irri irte irti itel iter itet itie itil itll itri leel leer leet leie leil leir leit lele leli lell lere lert lete leti lett liel lier liet liii liir lile lili lill lilt lire liri lirl lirr lirt lite liti litl litr litt llet llll lrrr ltee lttr reel reet reii reil reir reit rele rell relt rere reri rert rete reti retr rett riel rier riet rile rill rire riri rite riti ritl ritt rlee rrle rrrr rtee rtei rtle rtlt teel teer teet teie teil teir tel- tele teli tell telt ter- tere teri terr tete teti tetr tett tie- tiee tiei tiel tier tiet tiit tile till tilr tilt tire tiri tirl tirr tite titi titt tlli tre- tree trei tret tri- trie tril trit trte trtr tter tttt