eeee eete eetu eext eiei eier eire eiti eitr er-x erei erer eret erie erit eriu erre ertu erur etee eter etix etre ette etti ettu etui etux euer eur- eure eurt exer exit exrx exte extr ieet ieie iere ieri iett iiie iiii iiit iitr iitt iree irer irex iri- irie irix irre irri irte irti iter itet itex itie itri itur iuiu ixxi reet reii reir reit reiu rere reri rert reru rete reti retr rett reue reut reuu reux rexx rier riet rieu riex rire riri rite riti ritt ritu riue rixe rrrr rtee rtei rtex ruer ruet ruit rure ruri ruru rute ruti rutt rutu teer teet teie teir teiu ter- tere teri terr teru tete teti tetr tett tetu tetx teut text tie- tiee tiei tier tiet tiit tiiu tire tiri tirr tiru tite titi titt titu tixt tre- tree trei tret treu trex tri- trie trit trix trte trtr true trut truu trux tter tttt tuei tuer tuet tuit tuiu tuix ture turi turr turt turu tute tuti tutt tutu txii txtr u-ie ueir uext uirr ure- uret urex urie uriu urix urre urri urte urur urut uter utri utti uttu uuri uuuu uxue xeer xer- xert xexe xiii xixi xtie xuri xuxu xxii xxix xxxi xxxx