cccc ccci ccee ccic ccii ccir ccrc ccre ccri cec- cece ceci ceec cejc cer- cerc cere ceri cery cicc cici cicr ciee cier ciii circ cire ciri cirr cjcj cjcy cjic cjrc cjrj cjye crcc crce crcr cre- crec cree crei cric crie cry- cyc- cycc cyre cyy- cyyc eccc ecce ecci ecrc ecri ecrr eeee eerc eery eiec eiei eier eiji eire eiry ejer ejji ercc erce erec erei erer eric erie errc erre eryc erye eyec eyer eyey eyir eyre eyry eyyr iccc icci iccr icec icee icer icey icrc icre icrr icry iecc ieie iere ieri iiie iiii iirc ijji ircc iree irer iri- iric irie iriy irje irrc irre irri iyer iyre jccc jcci jcrc jeci jeer jere jeri jije jiji jiri jiye jjcc jyce rccc rcic rcyc recc rece reci recr recy reii reir rere reri rery reye ricc rice rier riji rire riri rrrr yccc ycee ycie yeer yeie yeii yeir yeji yere yeri yerr yery yeye yeyi yeyr yiji yire yirr yyyy