aaa aar aat aba abe abo abu aer aet afa afo aft aoa aor ara arb are aro arr art aru ata ate atf atr aua aub aue aut baa bab bae baf bar bat bee bef ber bet bfo boa bor bot bra bre brt btu bua buf bur but bür büt büü eaa eab eba ebe ebu ebü eer eet efe eff eft era erb ere erf ero erü eta ete eua faa fab fao far fat fea fee fer ffa foa fob for fot ftr fut oaa oba obo obu ora orb orf oro ort oru ota ote otu out rab raf rao rar rat rbe reb reo rer ret roa roe rot rte rua ruf taa tab taf tao tar tat tau tba tbb tbf tea teb tee tef teo ter tet tff tof tor tot trt tub tuf tur tut tüf tür tüt uae uba ubb ube uee ufa ufo ufu ura uta ute uto utu üfe üre ürü ütü