a-a a-t aaa aad aaf aam aao aas aat ad- ada add adf adm ado ads adt af- afa afd aff afm afo afs aft ama amd amf amm amo ams amt aoa aod aof aom aoo aos aot as- asa asd asf asm aso ass ast at- ata atd atf atm ato ats att daa dad daf dam dao das dat dda ddd ddf ddm ddo dds ddt dfa dfd dff dfm dfo dfs dft dma dmd dmf dmm dmo dms dmt doa dod dof dom doo dos dot dsa dsd dsf dsm dso dss dst dta dtd dtf dtm dto dts dtt faa fad faf fam fao fas fat fda fdd fdf fdm fdo fds fdt ffa ffd fff ffm ffo ffs fft fma fmd fmf fmm fmo fms fmt foa fof fom foo fos fot fsa fsd fsf fsm fso fss fst fta ftd ftf ftm fto fts ftt m-f m-o maa mad maf mam mao mas mat mda mdd mdf mdm mdo mds mdt mfa mfd mff mfm mfo mfs mft mma mmd mmf mmm mmo mms mmt moa mod mof mom moo mos mot msa msd msf msm mso mss mst mta mtd mtf mtm mto mts mtt oaa oad oaf oam oao oas oat oda odd odf odm odo ods odt of- ofa ofd off ofm ofo ofs oft om- oma omd omf omm omo oms omt oo- ooa ood oof oom ooo oos oot os- osa osd osf osm oso oss ost ot- ota otd otf otm oto ots ott saa sad saf sam sao sas sat sda sdd sdf sdm sdo sds sdt sfa sfd sff sfm sfo sfs sft sma smd smf smm smo sms smt soa sod sof som soo sos sot ss- ssa ssd ssf ssm sso sss sst sta std stf stm sto sts stt taa tad taf tam tao tas tat tda tdd tdf tdm tdo tds tdt tfa tfd tff tfm tfo tfs tft tma tmd tmf tmm tmo tms tmt to- toa tod tof tom too tos tot tsa tsd tsf tsm tso tss tst tta ttd ttf ttm tto tts ttt