-ic a-a a-c a-i aaa aac aah aai aar aax ac- aca acc ach aci acr acx aha ahc ahh ahi ahr ahx ai- aia aic aih aii air aix ar- ara arc arh ari arr arx ax- axa axh axi axr axx c-- caa cac cah cai car cax cca ccc cch cci ccr ccx ch- cha chc chh chi chr chx ci- cia cic cih cii cir cix cra crc crh cri crr crx cxc cxh cxi cxr cxx h-i haa hac hah hai har hax hca hcc hch hci hcr hha hhc hhh hhi hhr hia hic hih hii hir hix hr- hra hrc hrh hri hrr hxc ia- iaa iac iah iai iar ica icc ich ici icr iha ihc ihh ihi ihr iia iic iih iii iir iix ir- ira irc iri irr irx ixc ixi ra- raa rac rah rai rar rax rca rcc rch rci rcr rcx rh- rha rhc rhh rhi rhr ria ric rih rii rir rix rra rrc rrh rri rrr rxr xaa xac xar xch xci xcr xcx xia xic xii xix xrc xrx xxi xxx