-ic c-- ccc cch cci cco ccs ch- chc chh chi cho chs chy ci- cic cih cii cio cis co- coc coh coi coo cos coy csc csh csi cso css csy cyc cyo cys h-i hcc hch hci hco hcs hcy hhc hhh hhi hho hhs hhy hic hih hii hio his hoc hoh hoi hoo hos hoy hsc hsh hsi hss hsy hy- hyc hyh hyi hyo hys hyy icc ich ici ico ics icy ihc ihh ihi iho ihs ihy iic iih iii iio iis io- ioc ioh ioi ioo ios is- isc ish isi iso iss isy iyc iyo iys iyy o-i oc- occ och oci oco ocs ohc ohh ohi oho ohs oic oii oio ois oo- ooc ooh ooi ooo oos os- osc osh osi oso oss oyi oyo oys scc sch sci sco scs sh- shc shh shi sho shs shy sic sih sii sio sis soc soh soi soo sos soy ss- ssc ssh ssi sso sss sy- syc syh syi sys ycc ych yci yco ycs ycy yhc yhi yhs yih yii yio yis yoc yoi yoo yos yoy ysc ysi yso yss ysy yyc yys yyy