-ic a-a a-c a-i aaa aac aad aai aap aar ac- aca acc acd aci acp acr ad- ada adc add adi adp adr ai- aia aic aid aii aip air ap- apa apc apd api app apr ar- ara arc ard ari arp arr c-- caa cac cad cai cap car cca ccc ccd cci ccp ccr cda cdc cdd cdi cdp cdr ci- cia cic cid cii cip cir cpa cpc cpd cpi cpp cpr cra crc crd cri crp crr daa dac dad dai dap dar dca dcc dcd dci dcp dcr dda ddc ddd ddi ddp ddr di- dia dic did dii dip dir dpa dpc dpd dpi dpp dpr dra drc drd dri drp drr i-d ia- iaa iac iad iai iap iar ica icc icd ici icp icr ida idc idd idi idp idr iia iic iid iii iip iir ipa ipc ipd ipi ipp ipr ir- ira irc ird iri irp irr p-p paa pac pad pai pap par pca pcc pcd pci pcp pcr pda pdc pdd pdi pdp pdr pia pic pid pii pip pir ppa ppc ppd ppi ppp ppr pra prc prd pri prp prr ra- raa rac rad rai rap rar rca rcc rcd rci rcp rcr rda rdc rdd rdi rdp rdr ria ric rid rii rip rir rpa rpc rpd rpi rpp rpr rra rrc rrd rri rrp rrr