-ic a-a a-c a-i aaa aac aad aae aai aap aas ac- aca acc acd ace aci acp acs ad- ada adc add ade adi adp ads aea aec aed aee aei aep aes ai- aia aic aid aie aii aip ais ap- apa apc apd ape api app aps as- asa asc asd ase asi asp ass c-- caa cac cad cae cai cap cas cca ccc ccd cce cci ccp ccs cda cdc cdd cde cdi cdp cds ce- cea cec ced cee cei cep ces ci- cia cic cid cie cii cip cis cpa cpc cpd cpe cpi cpp cps csa csc csd cse csi csp css daa dac dad dae dai dap das dca dcc dcd dce dci dcp dcs dda ddc ddd dde ddi ddp dds de- dea dec ded dee dei dep des di- dia dic did die dii dip dis dpa dpc dpd dpe dpi dpp dps dsa dsc dsd dse dsi dsp dss eaa eac ead eae eai eap eas ec- eca ecc ecd ece eci ecs ed- eda edc edd ede edi edp eds eea eec eed eee eep ees eia eic eid eie eii eip eis ep- epa epc epd epe epi epp eps es- esa esc esd ese esi esp ess i-d ia- iaa iac iad iae iai iap ias ica icc icd ice ici icp ics ida idc idd ide idi idp ids ie- iea iec ied iee iei iep ies iia iic iid iie iii iip iis ipa ipc ipd ipe ipi ipp ips is- isa isc isd ise isi isp iss p-p paa pac pad pae pai pap pas pca pcc pcd pce pci pcp pcs pda pdc pdd pde pdi pdp pds pea pec ped pee pei pep pes pia pic pid pie pii pip pis ppa ppc ppd ppe ppi ppp pps ps- psa psc psd pse psi psp pss saa sac sad sae sai sap sas sca scc scd sce sci scp scs sda sdc sdd sde sdi sdp sds se- sea sec sed see sei sep ses sia sic sid sie sii sip sis spa spc spd spe spi spp sps ss- ssa ssc ssd sse ssi ssp sss