-ic c-- ccc cch cci cco ccr ch- chc chh chi cho chr chy ci- cic cih cii cio cir co- coc coh coi coo cor coy crc crh cri cro crr cry cyc cyo cyr h-i hcc hch hci hco hcr hcy hhc hhh hhi hho hhr hhy hic hih hii hio hir hoc hoh hoi hoo hor hoy hr- hrc hrh hri hro hrr hy- hyc hyh hyi hyo hyr hyy icc ich ici ico icr icy ihc ihh ihi iho ihr ihy iic iih iii iio iir io- ioc ioh ioi ioo ior ir- irc iri iro irr iry iyc iyo iyr iyy o-i oc- occ och oci oco ocr ohc ohh ohi oho ohr oic oii oio oir oo- ooc ooh ooi ooo oor or- orc orh ori oro orr ory oyi oyo rcc rch rci rco rcr rh- rhc rhh rhi rho rhr ric rih rii rio rir riy roc roh roi roo ror roy rrc rrh rri rrr ry- ryc ryo ryr ryy ycc ych yci yco ycy yhc yhi yih yii yio yir yoc yoi yoo yor yoy yrc yro yyc yyy