-ic a-a a-c a-i aaa aac aah aai aap aar aax ac- aca acc ach aci acp acr acx aha ahc ahh ahi ahp ahr ahx ai- aia aic aih aii aip air aix ap- apa apc aph api app apr apx ar- ara arc arh ari arp arr arx ax- axa axh axi axp axr axx c-- caa cac cah cai cap car cax cca ccc cch cci ccp ccr ccx ch- cha chc chh chi chp chr chx ci- cia cic cih cii cip cir cix cpa cpc cph cpi cpp cpr cpx cra crc crh cri crp crr crx cxc cxh cxi cxp cxr cxx h-i haa hac hah hai hap har hax hca hcc hch hci hcp hcr hha hhc hhh hhi hhp hhr hia hic hih hii hip hir hix hpa hpc hph hpi hpp hpr hr- hra hrc hrh hri hrp hrr hxc ia- iaa iac iah iai iap iar ica icc ich ici icp icr iha ihc ihh ihi ihp ihr iia iic iih iii iip iir iix ipa ipc ipi ipp ipr ipx ir- ira irc iri irp irr irx ixc ixi p-p paa pac pah pai pap par pax pca pcc pch pci pcp pcr pcx pha phc phi php phr phx pia pic pih pii pip pir pix ppa ppc pph ppi ppp ppr ppx pra prc prh pri prp prr prx pxc pxr ra- raa rac rah rai rap rar rax rca rcc rch rci rcp rcr rcx rh- rha rhc rhh rhi rhp rhr ria ric rih rii rip rir rix rpa rpc rph rpi rpp rpr rpx rra rrc rrh rri rrp rrr rxp rxr xaa xac xap xar xch xci xcp xcr xcx xhp xia xic xii xix xpa xpc xpp xrc xrx xxi xxp xxx