a-a a-t aaa aad aaf aam aao aar aas aat ad- ada add adf adm ado adr ads adt af- afa afd aff afm afo afr afs aft ama amd amf amm amo amr ams amt aoa aod aof aom aoo aor aos aot ar- ara ard arf arm aro arr ars art as- asa asd asf asm aso asr ass ast at- ata atd atf atm ato atr ats att daa dad daf dam dao dar das dat dda ddd ddf ddm ddo ddr dds ddt dfa dfd dff dfm dfo dfr dfs dft dma dmd dmf dmm dmo dmr dms dmt doa dod dof dom doo dor dos dot dra drd drm dro drr drs drt dsa dsd dsf dsm dso dsr dss dst dta dtd dtf dtm dto dtr dts dtt faa fad faf fam fao far fas fat fda fdd fdf fdm fdo fdr fds fdt ffa ffd fff ffm ffo ffr ffs fft fma fmd fmf fmm fmo fmr fms fmt foa fof fom foo for fos fot fra frd frf frm fro frr frs frt fsa fsd fsf fsm fso fsr fss fst fta ftd ftf ftm fto ftr fts ftt m-f m-o m-r maa mad maf mam mao mar mas mat mda mdd mdf mdm mdo mdr mds mdt mfa mfd mff mfm mfo mfr mfs mft mma mmd mmf mmm mmo mmr mms mmt moa mod mof mom moo mor mos mot mra mrd mrf mrm mro mrr mrs mrt msa msd msf msm mso msr mss mst mta mtd mtf mtm mto mtr mts mtt oaa oad oaf oam oao oar oas oat oda odd odf odm odo odr ods odt of- ofa ofd off ofm ofo ofr ofs oft om- oma omd omf omm omo omr oms omt oo- ooa ood oof oom ooo oor oos oot or- ora ord orf orm oro orr ors ort os- osa osd osf osm oso osr oss ost ot- ota otd otf otm oto otr ots ott ra- raa rad raf ram rao rar ras rat rda rdd rdf rdm rdo rdr rds rdt rfa rfd rff rfm rfo rfr rfs rft rma rmd rmf rmm rmo rmr rms rmt roa rod rof rom roo ror ros rot rra rrd rrf rrm rrr rrs rrt rsa rsd rsf rsm rso rsr rss rst rta rtd rtf rtm rto rtr rts rtt saa sad saf sam sao sar sas sat sda sdd sdf sdm sdo sdr sds sdt sfa sfd sff sfm sfo sfr sfs sft sma smd smf smm smo smr sms smt soa sod sof som soo sor sos sot sr- sra srd srf srm sro srr srs srt ss- ssa ssd ssf ssm sso ssr sss sst sta std stf stm sto str sts stt taa tad taf tam tao tar tas tat tda tdd tdf tdm tdo tdr tds tdt tfa tfd tff tfm tfo tfr tfs tft tma tmd tmf tmm tmo tmr tms tmt to- toa tod tof tom too tor tos tot tra trd trf trm tro trr trs trt tsa tsd tsf tsm tso tsr tss tst tta ttd ttf ttm tto ttr tts ttt