-ey c-- ccc cce cch cco ccs ce- cec cee ceh ceo ces cey ch- chc che chh cho chs chy co- coc coe coh coo cos coy csc cse csh cso css csy cyc cye cyo cys ec- ecc ece ech eco ecs eec eee eeo ees eey ehc ehe ehh eho ehs eo- eoc eoe eoh eoo eos es- esc ese esh eso ess esy eyc eye eyo eys hcc hce hch hco hcs hcy he- hec hee heh heo hes hey hhc hhe hhh hho hhs hhy hoc hoe hoh hoo hos hoy hsc hse hsh hss hsy hy- hyc hye hyh hyo hys hyy oc- occ och oco ocs oec oee oeh oeo oes oey ohc ohe ohh oho ohs oo- ooc ooh ooo oos os- osc ose osh oso oss oye oyo oys scc sce sch sco scs se- sec see seh seo ses sey sh- shc she shh sho shs shy soc soe soh soo sos soy ss- ssc sse ssh sso sss sy- syc sye syh sys ycc yce ych yco ycs ycy yec yee yeh yeo yes yey yhc yhe yhs yoc yoe yoo yos yoy ysc yse yso yss ysy yyc yye yys yyy