-ic c-- ccc cch cci cco ccp ccs ch- chc chh chi cho chp chs chy ci- cic cih cii cio cip cis co- coc coh coi coo cop cos coy cpc cph cpi cpo cpp cps csc csh csi cso csp css csy cyc cyo cyp cys h-i hcc hch hci hco hcp hcs hcy hhc hhh hhi hho hhp hhs hhy hic hih hii hio hip his hoc hoh hoi hoo hop hos hoy hpc hph hpi hpo hpp hps hpy hsc hsh hsi hsp hss hsy hy- hyc hyh hyi hyo hyp hys hyy icc ich ici ico icp ics icy ihc ihh ihi iho ihp ihs ihy iic iih iii iio iip iis io- ioc ioh ioi ioo iop ios ipc ipi ipo ipp ips ipy is- isc ish isi iso isp iss isy iyc iyo iys iyy o-i oc- occ och oci oco ocp ocs ohc ohh ohi oho ohp ohs oic oii oio oip ois oo- ooc ooh ooi ooo oop oos op- opc oph opi opo opp ops opy os- osc osh osi oso osp oss oyi oyo oys p-p pcc pch pci pco pcp pcs phc phi pho php phs phy pic pih pii pio pip pis poc poh poi poo pop pos poy ppc pph ppi ppo ppp pps ps- psc psh psi pso psp pss psy py- pyc pyo pys scc sch sci sco scp scs sh- shc shh shi sho shp shs shy sic sih sii sio sip sis soc soh soi soo sop sos soy spc sph spi spo spp sps spy ss- ssc ssh ssi sso ssp sss sy- syc syh syi syp sys ycc ych yci yco ycp ycs ycy yhc yhi yhs yih yii yio yip yis yoc yoi yoo yop yos yoy ypo yps ysc ysi yso ysp yss ysy yyc yys yyy