-ic a-a a-c a-i a-t aaa aac aad aaf aai aao aat ac- aca acc acd acf aci aco act ad- ada adc add adf adi ado adt af- afa afc afd aff afi afo aft ai- aia aic aid aif aii aio ait aoa aoc aod aof aoi aoo aot at- ata atc atd atf ati ato att c-- caa cac cad caf cai cao cat cca ccc ccd ccf cci cco cct cda cdc cdd cdf cdi cdo cdt cfa cfc cfd cff cfi cfo cft ci- cia cic cid cif cii cio cit co- coa coc cod cof coi coo cot cta ctc ctd ctf cti cto ctt daa dac dad daf dai dao dat dca dcc dcd dcf dci dco dct dda ddc ddd ddf ddi ddo ddt dfa dfc dfd dff dfi dfo dft di- dia dic did dif dii dio dit doa doc dod dof doi doo dot dta dtc dtd dtf dti dto dtt faa fac fad faf fai fao fat fca fcc fcd fcf fci fco fct fda fdc fdd fdf fdi fdo fdt ffa ffc ffd fff ffi ffo fft fia fic fid fif fii fit foa foc fof foi foo fot fta ftc ftd ftf fti fto ftt i-d i-f ia- iaa iac iad iaf iai iao iat ica icc icd icf ici ico ict ida idc idd idf idi ido idt ifa ifc ifd iff ifi ifo ift iia iic iid iif iii iio iit io- ioa ioc iod iof ioi ioo iot ita itc itd itf iti ito itt o-i oaa oac oad oaf oai oao oat oc- oca occ ocd ocf oci oco oct oda odc odd odf odi odo odt of- ofa ofc ofd off ofi ofo oft oia oic oid oif oii oio oit oo- ooa ooc ood oof ooi ooo oot ot- ota otc otd otf oti oto ott taa tac tad taf tai tao tat tca tcc tcd tcf tci tco tct tda tdc tdd tdf tdi tdo tdt tfa tfc tfd tff tfi tfo tft tia tic tid tif tii tio tit to- toa toc tod tof toi too tot tta ttc ttd ttf tti tto ttt