-ic c-- ccc cch cci cco ccr ccs ch- chc chh chi cho chr chs chy ci- cic cih cii cio cir cis co- coc coh coi coo cor cos coy crc crh cri cro crr crs cry csc csh csi cso csr css csy cyc cyo cyr cys h-i hcc hch hci hco hcr hcs hcy hhc hhh hhi hho hhr hhs hhy hic hih hii hio hir his hoc hoh hoi hoo hor hos hoy hr- hrc hrh hri hro hrr hrs hsc hsh hsi hsr hss hsy hy- hyc hyh hyi hyo hyr hys hyy icc ich ici ico icr ics icy ihc ihh ihi iho ihr ihs ihy iic iih iii iio iir iis io- ioc ioh ioi ioo ior ios ir- irc iri iro irr irs iry is- isc ish isi iso isr iss isy iyc iyo iyr iys iyy o-i oc- occ och oci oco ocr ocs ohc ohh ohi oho ohr ohs oic oii oio oir ois oo- ooc ooh ooi ooo oor oos or- orc orh ori oro orr ors ory os- osc osh osi oso osr oss oyi oyo oys rcc rch rci rco rcr rcs rh- rhc rhh rhi rho rhr rhs ric rih rii rio rir ris riy roc roh roi roo ror ros roy rrc rrh rri rrr rrs rsc rsh rsi rso rsr rss ry- ryc ryo ryr rys ryy scc sch sci sco scr scs sh- shc shh shi sho shr shs shy sic sih sii sio sir sis soc soh soi soo sor sos soy sr- src srh sri sro srr srs sry ss- ssc ssh ssi sso ssr sss sy- syc syh syi syr sys ycc ych yci yco ycs ycy yhc yhi yhs yih yii yio yir yis yoc yoi yoo yor yos yoy yrc yro yrs ysc ysi yso ysr yss ysy yyc yys yyy