-ic a-a a-c a-i aaa aac aad aai aao aas aax ac- aca acc acd aci aco acs acx ad- ada adc add adi ado ads adx ai- aia aic aid aii aio ais aix aoa aoc aod aoi aoo aos aox as- asa asc asd asi aso ass asx ax- axa axi axo axs axx c-- caa cac cad cai cao cas cax cca ccc ccd cci cco ccs ccx cda cdc cdd cdi cdo cds cdx ci- cia cic cid cii cio cis cix co- coa coc cod coi coo cos cox csa csc csd csi cso css csx cxc cxi cxo cxs cxx daa dac dad dai dao das dax dca dcc dcd dci dco dcs dcx dda ddc ddd ddi ddo dds ddx di- dia dic did dii dio dis dix doa doc dod doi doo dos dox dsa dsc dsd dsi dso dss dsx dxc dxd dxi dxo dxs dxx i-d ia- iaa iac iad iai iao ias ica icc icd ici ico ics ida idc idd idi ido ids idx iia iic iid iii iio iis iix io- ioa ioc iod ioi ioo ios is- isa isc isd isi iso iss ixc ixi o-i oaa oac oad oai oao oas oax oc- oca occ ocd oci oco ocs ocx oda odc odd odi odo ods oia oic oid oii oio ois oo- ooa ooc ood ooi ooo oos oox os- osa osc osd osi oso oss osx ox- oxa oxc oxi oxo oxx saa sac sad sai sao sas sax sca scc scd sci sco scs scx sda sdc sdd sdi sdo sds sia sic sid sii sio sis six soa soc sod soi soo sos sox ss- ssa ssc ssd ssi sso sss ssx sxc sxi sxs xaa xac xad xas xcd xci xcx xda xdc xdi xds xia xic xii xio xis xix xoa xoc xod xoi xoo xos xox xsa xsc xsi xss xxi xxo xxx