rati ratk rato ratt rea- reae reaf reak reao rear reat reef reek reet refe reff refi refr reft reia reif reii reik reir reit reka reke reki reko rekt reof reot rera rere reri rero rert reta rete reti reto retr rett rfae rfef riaa riai riak riat rief riek rier riet rifa rife riff rift riia riif rika rike riki rikk riot rire riri rita rite riti rito ritt rkkf roaf roak roar roat roea roer roet rofe roff rofo roia roif roik roio roir roit roka roke roki rokk roko rokr roof rooi rook roor root rora rore rori rork roro rort rota rote roti rotk roto rotr rott rrat rrif rrrr rtai rtee rtei taa- taaf taar taat taer tafa tafe taff tafi tafo taft taia taik taio tair tait taka take taki takk tako takt taoa taor tara tare tarf tari tark taro tarr tart tata tate tati tato tatr tatt teak tear teat teef teek teer teet teff tefi teft teia teie teir teka teke teok teor ter- tera tere terf teri terk tero terr teta tete teti teto tetr tett tfae tfot tiaa tiaf tiao tiar tie- tiea tiee tief tiei tieo tier tiet tifa tiff tifo tift tiit tika tike tiki tiko tira tire tiri tiro tirr tita tite titi tito titt tkof toat toea toee toei toek toer toet tofa toff tofi tofo toft toie toit toka toke toki toko tooa toof took toor toot tora tore torf tori tork toro torr tort tota tote toti toto totr tott traa trae traf trai trak trao trat tre- trea tree tref trei trek treo tret trfr tri- tria trie trif trik trio trit troa troe troi troo trot trra trte trtr tteo tter ttfa ttff ttoe tttt