aaa aar aat aba abo abu afa afo aft aoa aor ara arb aro arr art aru ata atf atr aua aub aut baa bab baf bar bat bfo boa bor bot bra brt btu bua buf bur but bür büt büü faa fab fao far fat ffa foa fob for fot ftr fut oaa oba obo obu ora orb orf oro ort oru ota otu out rab raf rao rar rat roa rot rua ruf taa tab taf tao tar tat tau tba tbb tbf tff tof tor tot trt tub tuf tur tut tüf tür tüt uba ubb ufa ufo ufu ura uta uto utu ürü ütü