krib krid krik krit krkc krkd krke krki krkk krkr krrb krrc krre krrg krri krrk krrr krrt krtc krti krtk krtr ktbb ktbc ktbg ktbr ktbt ktcc ktce ktck ktcr ktdb ktdc ktdd ktde ktdk ktdr ktec kted ktee kteg ktek ktge ktgg ktgr ktib ktic ktie ktig ktik ktkb ktkc ktke ktkk ktkr ktkt ktrb ktrc ktre ktrg ktri ktrk ktrr ktrt kttc kttg ktti kttk kttr kttt rbbb rbbr rcbc rccb rccc rcdc rcde rcet rcgc rcic rcid rcrd rcrg rctc rctg rcti rder rebb rebe rebk recc recd rece reci reck recr rect redc redd rede redi redr reeb reed reek reet regd rege regi regr regt reid reii reik reir reit reke reki rekt rerd rere rerg reri rert retd rete reti retr rett rgbe rgbi rgit rgtr rib- ribe ricc rice rick rict ridc ridd ride ridi ried riek rier riet rige rigg rigi rike riki rikk rire riri rite riti ritt rred rrrr rtcc rtce rtcg rtdt rtee rtei rtkg tbcb tbcc tbcd tbce tbit tbrb tccc tcdd tctc tddb tdkr tdri teck tecr tect tedd tede tedi tedk teec teed teek teer teet tegg tegi tegt teic teie teir teke ter- terc tere teri terk terr tete teti tetr tett tgcc tgtc tibi ticc tice tick tidc tidd tide tie- tied tiee tiei tier tiet tige tigi tigr tiit tike tiki tirb tird tire tiri tirr titc tite titi titt tkkg trcc tre- trec tred tree treg trei trek tret trge tri- trib tric trie trig trik trit trtc trte trtr ttbb tter ttkg tttt