dddd dfdt didi didu didy dif- diff dify diii dimi dimm dimu diti ditt diyi diyu dmdt dmft dmtf dudd dudu duff dufu dufy duid duif duit dumi dumm dumy duty duut dydd dyf- dyfi dyfm dyit dymd dymf dymi dymy dyt- dyty fdti ffff ffii fftf fidf fiff fifi fifm fift fiii fiti fitt fmyi ftdi ftfy ftii fudd fudi fuff fufu fuid fuit fumi fumy futi futu fuyt fuyu fyfi fyti iddm idid iffy ifid ifim ifit ifmy iiii iiit iitm iitt iium imdi imdt imfi imid imit immi immt immy itif itim ittf itty itum itym iuiu iuty mddm mdfi mdii mdmf mdud mftf mid- midi miff mifi miii miit mim- mimd mimi mimy mit- miti mitm mitt mitu mity miui miyu mmdf mmdi mmfd mmff mmii mmmd mmmm mmyy mtff mudd mudi mudu muff mufi mufu muid muit mumm mumu mumy muti mutt mutu muut muyd mydd myi- myid myit mymy tdff tdmi tidd tidy tiff tift tiit tiiu timi timm timu titi titt titu tium tiyi tmtt ttff ttim tttt ttyd tudi tudu tuff tufi tufm tuft tufu tuim tuit tuiu tumi tumu tuti tutt tutu tuty tuum tydd tydi tydy tyff tyft tytd tyti tytt tyty uddi udid udim umff umit umut utid utti uttu uutf uuuu ydyt yidi yidu yiff yift yiti yiud ymyd yudu yuff yuft yufu yuit yumi yutu yuty yuyu yyff yyyy