-ey c-- ccc cce ccf cch ccs ce- cec cee cef ceh ces cey cfc cfe cff cfh cfs ch- chc che chf chh chs chy csc cse csf csh css csy cyc cye cyf cys ec- ecc ece ecf ech ecs eec eee eef ees eey ef- efc efe eff efh efs ehc ehe ehf ehh ehs es- esc ese esf esh ess esy eyc eye eys fcc fce fcf fcs fcy fec fee fef feh fes fey ffc ffe fff ffh ffs ffy fhc fhe fhf fhh fhs fsc fse fsf fsh fss fy- fyc fye hcc hce hcf hch hcs hcy he- hec hee hef heh hes hey hfc hfe hff hfh hfs hfy hhc hhe hhf hhh hhs hhy hsc hse hsf hsh hss hsy hy- hyc hye hyh hys hyy scc sce scf sch scs se- sec see sef seh ses sey sfc sfe sff sfh sfs sh- shc she shf shh shs shy ss- ssc sse ssf ssh sss sy- syc sye syh sys ycc yce ycf ych ycs ycy yec yee yef yeh yes yey yfc yfe yff yfs yhc yhe yhs ysc yse yss ysy yyc yye yyf yys yyy