eeee eete eiei eier eiji eire eiti eitr ejer ejit ejji erei erer eret erie erit erre etee eter etre ette etti ieet ieie iere ieri iett iiie iiii iiit iitr iitt ijet ijji iree irer iri- irie irje irre irri irte irti iter itet itie itri jeer jeet jeit jere jeri jert jete jeti jett jiet jije jiji jiri jirt jiti reet reii reir reit rere reri rert rete reti retr rett rier riet riji rire riri rite riti ritt rrrr rtee rtei teej teer teet teie teir ter- tere teri terj terr tete teti tetr tett tie- tiee tiei tier tiet tiit tiji tire tiri tirr tite titi titt tre- tree trei tret tri- trie trit trte trtr tter tttt