nknt nktr nkum nm-e nmit nmnt nmri nmtb nnit nnmt nnnn nntn nrem nren nter nteu ntnu ntru nttm nttr ntui nube nubi nubk nuee nuer nuik nuim nuin nuit nuke nuki nuku numb nume numi numm numt numu nune nunk nunn nunt nure nuri nurn nurr nurt nuru nute nutt nutu nuuk rbbb rbbr rbmk rebb rebe rebk rebu reeb reek reem reen reet reii reik reim rein reir reit reiu reke reki rekt reme remi remn rene reni renk renn rent renu rere reri rert reru rete reti retr rett reue reuk reut reuu rib- ribe ribu riek riem rien rier riet rieu riin rike riki rikk riku rime rimi rimm rimu rine rink rinn rire riri rite riti ritt ritu riue rmtu rnbr rnie rnin rnnt rnut rrkm rrrr rrum rrun rtee rtei rtkn rtmi rubb rube rubi rubu ruen ruer ruet ruin ruit ruke ruki rukk rukn ruku rumb rume rumi rumm rumt rune runi runk runn runt rure ruri ruru rute ruti rutt rutu ruun tbit tbrb tebu teek teem teen teer teet teie teim tein teir teiu teke teme temu tenb tene teni tenk tenn tent tenu ter- tere teri terk term tern terr teru tete teti tetr tett tetu teuk teut tibi tibu tie- tiee tiei tien tier tiet tiit tiiu tike tiki tiku time timi timm timn timu tine tini tink tinn tint tinu tirb tire tiri tirr tiru tite titi titt titu tium tmbr tmen tmmk tmnt tmtt tneb tnik tnmk tnut tre- tree trei trek trem tren tret treu tri- trib trie trik trim trin trit trmb trmi trmk trmu trte trtr trub true truk trun trut truu ttbb tten tter ttim tttt tubb tube tubr tubu tuei tuen tuer tuet tuik tuim tuin tuit tuiu tuke tumb tume tumi tumu tunb tune tuni tunk tunn tunu turb ture turi turk turm turn turr turt turu tute tuti tutt tutu tuum u-ie ubbe ubbi ubek uber ubet ubii ubik ubir ubit uein ueir ueki uint uirr ukek ukeu ukum ukur umb- umbe umbi umer umet umik umit umri umut unbe uneb unee unen uner uni- unie unii unik unin unir unit unke unkn unmr unne unni untb unte unum unut urbe urbi ure- uret urib urie urik urim urin uriu urke urmi urne urni urre urri urte uruk urum urun urur urut uter utik utin utmb utne utri utti uttu uuen uuni uuri uuuu