cccc cccu ccee ccrc ccre ccuc cec- cece ceec cer- cerc cere cery ceyu crcc crce crcr cre- crec cree creu crue cry- cucc cuce cucq cuer cure curr cury cuy- cuyr cyc- cycc cyre cyy- cyyc eccc ecce ecrc ecrr ecru eeee eerc eery equ- eque ercc erce erec erer errc erre eruc erur eryc erye euer eur- eurc eure eury eyec eyeq eyer eyey eyre eyry eyyr qcue qere qerq qqqq qucu quee quer quey quu- quy- quye rccc rcyc recc rece recr recu recy rere reru rery reue reuu reye rrrr ruce ruer rurc rure ruru ryue ucrc uqcc urcy ure- urey urre urry uruq urur uuuu uyre yccc ycee ye-u yeer yere yerr yery yeue yeye yeyr yuce yuer yure yury yuye yuyu yyyy