-ic a-a a-c a-i aaa aac aad aai aao aax aay ac- aca acc acd aci aco acx acy ad- ada adc add adi ado adx ady ai- aia aic aid aii aio aix aiy aoa aoc aod aoi aoo aox ax- axa axi axo axx ay- aya ayc ayd ayi ayo ayx c-- caa cac cad cai cao cax cay cca ccc ccd cci cco ccx cda cdc cdd cdi cdo cdx cdy ci- cia cic cid cii cio cix co- coa coc cod coi coo cox coy cxc cxi cxo cxx cya cyc cyd cyo daa dac dad dai dao dax day dca dcc dcd dci dco dcx dda ddc ddd ddi ddo ddx ddy di- dia dic did dii dio dix diy doa doc dod doi doo dox doy dxc dxd dxi dxo dxx dy- dya dyc dyd dyo dyy i-d ia- iaa iac iad iai iao ica icc icd ici ico icy ida idc idd idi ido idx idy iia iic iid iii iio iix io- ioa ioc iod ioi ioo ixc ixi ixy iya iyc iyo iyy o-i oaa oac oad oai oao oax oc- oca occ ocd oci oco ocx oda odc odd odi odo oia oic oid oii oio oo- ooa ooc ood ooi ooo oox ox- oxa oxc oxi oxo oxx oxy oya oyd oyi oyo xaa xac xad xcd xci xcx xda xdc xdi xia xic xii xio xix xoa xoc xod xoi xoo xox xxi xxo xxx xxy xyy yaa yac yad yai yao yax yay yca ycc ycd yci yco ycy yda ydo ydy yid yii yio yoc yod yoi yoo yox yoy yxa yxy yyc yyy