-ic a-a a-c a-i a-t aaa aac aad aaf aai aao aas aat ac- aca acc acd acf aci aco acs act ad- ada adc add adf adi ado ads adt af- afa afc afd aff afi afo afs aft ai- aia aic aid aif aii aio ais ait aoa aoc aod aof aoi aoo aos aot as- asa asc asd asf asi aso ass ast at- ata atc atd atf ati ato ats att c-- caa cac cad caf cai cao cas cat cca ccc ccd ccf cci cco ccs cct cda cdc cdd cdf cdi cdo cds cdt cfa cfc cfd cff cfi cfo cfs cft ci- cia cic cid cif cii cio cis cit co- coa coc cod cof coi coo cos cot csa csc csd csf csi cso css cst cta ctc ctd ctf cti cto cts ctt daa dac dad daf dai dao das dat dca dcc dcd dcf dci dco dcs dct dda ddc ddd ddf ddi ddo dds ddt dfa dfc dfd dff dfi dfo dfs dft di- dia dic did dif dii dio dis dit doa doc dod dof doi doo dos dot dsa dsc dsd dsf dsi dso dss dst dta dtc dtd dtf dti dto dts dtt faa fac fad faf fai fao fas fat fca fcc fcd fcf fci fco fcs fct fda fdc fdd fdf fdi fdo fds fdt ffa ffc ffd fff ffi ffo ffs fft fia fic fid fif fii fis fit foa foc fof foi foo fos fot fsa fsc fsd fsf fsi fso fss fst fta ftc ftd ftf fti fto fts ftt i-d i-f ia- iaa iac iad iaf iai iao ias iat ica icc icd icf ici ico ics ict ida idc idd idf idi ido ids idt ifa ifc ifd iff ifi ifo ifs ift iia iic iid iif iii iio iis iit io- ioa ioc iod iof ioi ioo ios iot is- isa isc isd isf isi iso iss ist ita itc itd itf iti ito its itt o-i oaa oac oad oaf oai oao oas oat oc- oca occ ocd ocf oci oco ocs oct oda odc odd odf odi odo ods odt of- ofa ofc ofd off ofi ofo ofs oft oia oic oid oif oii oio ois oit oo- ooa ooc ood oof ooi ooo oos oot os- osa osc osd osf osi oso oss ost ot- ota otc otd otf oti oto ots ott saa sac sad saf sai sao sas sat sca scc scd scf sci sco scs sct sda sdc sdd sdf sdi sdo sds sdt sfa sfc sfd sff sfi sfo sfs sft sia sic sid sif sii sio sis sit soa soc sod sof soi soo sos sot ss- ssa ssc ssd ssf ssi sso sss sst sta stc std stf sti sto sts stt taa tac tad taf tai tao tas tat tca tcc tcd tcf tci tco tcs tct tda tdc tdd tdf tdi tdo tds tdt tfa tfc tfd tff tfi tfo tfs tft tia tic tid tif tii tio tis tit to- toa toc tod tof toi too tos tot tsa tsc tsd tsf tsi tso tss tst tta ttc ttd ttf tti tto tts ttt