a-a a-c aaa aac aah aas aav ac- aca acc ach acs acv aha ahc ahh ahs ahv as- asa asc ash ass asv av- ava avc avh avs c-- caa cac cah cas cav cca ccc cch ccs ccv ch- cha chc chh chs chv csa csc csh css csv cva cvc cvh cvs cvv haa hac hah has hav hca hcc hch hcs hcv hha hhc hhh hhs hhv hsa hsc hsh hss hsv hv- hva hvc hvs hvv saa sac sah sas sav sca scc sch scs scv sh- sha shc shh shs shv ss- ssa ssc ssh sss ssv sva svc svs svv v-a vaa vac vah vas vav vca vcc vch vcs vh- vha vhc vhs vsa vsc vsh vss vsv vva vvc vvs vvv