c-- ccc cch ccr ccs ccv ch- chc chh chr chs chv crc crh crr crs crv csc csh csr css csv cvc cvh cvr cvs cvv hcc hch hcr hcs hcv hhc hhh hhr hhs hhv hr- hrc hrh hrr hrs hrv hsc hsh hsr hss hsv hv- hvc hvr hvs hvv rcc rch rcr rcs rcv rh- rhc rhh rhr rhs rhv rrc rrh rrr rrs rsc rsh rsr rss rsv rvc rvh rvr rvs rvv scc sch scr scs scv sh- shc shh shr shs shv sr- src srh srr srs srv ss- ssc ssh ssr sss ssv svc svr svs svv vcc vch vcr vcs vh- vhc vhs vrc vrh vrr vrs vsc vsh vsr vss vsv vvc vvr vvs vvv