-ic a-a a-c a-i aaa aac aad aai aao aas ac- aca acc acd aci aco acs ad- ada adc add adi ado ads ai- aia aic aid aii aio ais aoa aoc aod aoi aoo aos as- asa asc asd asi aso ass c-- caa cac cad cai cao cas cca ccc ccd cci cco ccs cda cdc cdd cdi cdo cds ci- cia cic cid cii cio cis co- coa coc cod coi coo cos csa csc csd csi cso css daa dac dad dai dao das dca dcc dcd dci dco dcs dda ddc ddd ddi ddo dds di- dia dic did dii dio dis doa doc dod doi doo dos dsa dsc dsd dsi dso dss i-d ia- iaa iac iad iai iao ias ica icc icd ici ico ics ida idc idd idi ido ids iia iic iid iii iio iis io- ioa ioc iod ioi ioo ios is- isa isc isd isi iso iss o-i oaa oac oad oai oao oas oc- oca occ ocd oci oco ocs oda odc odd odi odo ods oia oic oid oii oio ois oo- ooa ooc ood ooi ooo oos os- osa osc osd osi oso oss saa sac sad sai sao sas sca scc scd sci sco scs sda sdc sdd sdi sdo sds sia sic sid sii sio sis soa soc sod soi soo sos ss- ssa ssc ssd ssi sso sss