a-a a-t aaa aad aaf aag aao aar aas aat ad- ada add adf adg ado adr ads adt af- afa afd aff afg afo afr afs aft ag- aga agd agf agg ago agr ags agt aoa aod aof aog aoo aor aos aot ar- ara ard arf arg aro arr ars art as- asa asd asf asg aso asr ass ast at- ata atd atf atg ato atr ats att daa dad daf dag dao dar das dat dda ddd ddf ddg ddo ddr dds ddt dfa dfd dff dfg dfo dfr dfs dft dga dgd dgf dgg dgr dgs dgt doa dod dof dog doo dor dos dot dra drd drg dro drr drs drt dsa dsd dsf dsg dso dsr dss dst dta dtd dtf dtg dto dtr dts dtt faa fad faf fag fao far fas fat fda fdd fdf fdg fdo fdr fds fdt ffa ffd fff ffg ffo ffr ffs fft fga fgd fgf fgg fgr fgs fgt foa fof fog foo for fos fot fra frd frf frg fro frr frs frt fsa fsd fsf fsg fso fsr fss fst fta ftd ftf ftg fto ftr fts ftt g-d gaa gad gaf gag gao gar gas gat gda gdd gdf gdo gdr gds gdt gfa gfd gff gfo gfr gfs gft gga ggd ggg ggo ggr ggs ggt goa god gof gog goo gor gos got gra grd grf grg gro grr grs grt gsa gsd gsf gsg gso gsr gss gst gta gtd gtf gtg gto gtr gts gtt oaa oad oaf oag oao oar oas oat oda odd odf odg odo odr ods odt of- ofa ofd off ofg ofo ofr ofs oft oga ogd ogf ogg ogo ogs ogt oo- ooa ood oof oog ooo oor oos oot or- ora ord orf org oro orr ors ort os- osa osd osf osg oso osr oss ost ot- ota otd otf otg oto otr ots ott ra- raa rad raf rag rao rar ras rat rda rdd rdf rdg rdo rdr rds rdt rfa rfd rff rfg rfo rfr rfs rft rga rgd rgf rgg rgo rgr rgs rgt roa rod rof rog roo ror ros rot rra rrd rrf rrg rrr rrs rrt rsa rsd rsf rsg rso rsr rss rst rta rtd rtf rtg rto rtr rts rtt saa sad saf sag sao sar sas sat sda sdd sdf sdg sdo sdr sds sdt sfa sfd sff sfg sfo sfr sfs sft sga sgd sgf sgg sgo sgr sgs sgt soa sod sof sog soo sor sos sot sr- sra srd srf srg sro srr srs srt ss- ssa ssd ssf ssg sso ssr sss sst sta std stf stg sto str sts stt taa tad taf tag tao tar tas tat tda tdd tdf tdg tdo tdr tds tdt tfa tfd tff tfg tfo tfr tfs tft tga tgf tgg tgo tgr tgs tgt to- toa tod tof tog too tor tos tot tra trd trf trg tro trr trs trt tsa tsd tsf tsg tso tsr tss tst tta ttd ttf ttg tto ttr tts ttt