a-a a-i a-t aaa aad aaf aag aai aap aar aas aat ad- ada add adf adg adi adp adr ads adt af- afa afd aff afg afi afp afr afs aft ag- aga agd agf agg agi agp agr ags agt ai- aia aid aif aig aii aip air ais ait ap- apa apd apf apg api app apr aps apt ar- ara ard arf arg ari arp arr ars art as- asa asd asf asg asi asp asr ass ast at- ata atd atf atg ati atp atr ats att daa dad daf dag dai dap dar das dat dda ddd ddf ddg ddi ddp ddr dds ddt dfa dfd dff dfg dfi dfp dfr dfs dft dga dgd dgf dgg dgi dgp dgr dgs dgt di- dia did dif dig dii dip dir dis dit dpa dpd dpf dpg dpi dpp dpr dps dpt dra drd drg dri drp drr drs drt dsa dsd dsf dsg dsi dsp dsr dss dst dta dtd dtf dtg dti dtp dtr dts dtt faa fad faf fag fai fap far fas fat fda fdd fdf fdg fdi fdp fdr fds fdt ffa ffd fff ffg ffi ffp ffr ffs fft fga fgd fgf fgg fgi fgp fgr fgs fgt fia fid fif fig fii fip fir fis fit fpa fpd fpg fpi fpp fpr fps fpt fra frd frf frg fri frp frr frs frt fsa fsd fsf fsg fsi fsp fsr fss fst fta ftd ftf ftg fti ftp ftr fts ftt g-d g-p gaa gad gaf gag gai gap gar gas gat gda gdd gdf gdi gdp gdr gds gdt gfa gfd gff gfi gfp gfr gfs gft gga ggd ggg ggi ggp ggr ggs ggt gia gid gif gig gii gip gir gis git gpa gpd gpf gpg gpi gpp gpr gps gpt gra grd grf grg gri grp grr grs grt gsa gsd gsf gsg gsi gsp gsr gss gst gta gtd gtf gtg gti gtp gtr gts gtt i-d i-f ia- iaa iad iaf iag iai iap iar ias iat ida idd idf idg idi idp idr ids idt ifa ifd iff ifg ifi ifp ifr ifs ift iga igd igf igg igi igp igr igs igt iia iid iif iii iip iir iis iit ipa ipd ipf ipg ipi ipp ipr ips ipt ir- ira ird irf irg iri irp irr irs irt is- isa isd isf isg isi isp isr iss ist ita itd itf itg iti itp its itt p-p paa pad paf pag pai pap par pas pat pda pdd pdf pdg pdi pdp pdr pds pdt pfa pfd pff pfg pfi pfp pfr pfs pft pga pgd pgf pgg pgi pgp pgr pgs pgt pia pid pif pig pii pip pir pis pit ppa ppd ppf ppg ppi ppp ppr pps ppt pra prd prf prg pri prp prr prs prt ps- psa psd psf psg psi psp psr pss pst pt- pta ptd ptf ptg pti ptp ptr pts ptt ra- raa rad raf rag rai rap rar ras rat rda rdd rdf rdg rdi rdp rdr rds rdt rfa rfd rff rfg rfi rfp rfr rfs rft rga rgd rgf rgg rgi rgp rgr rgs rgt ria rid rif rig rii rip rir ris rit rpa rpd rpf rpg rpi rpp rpr rps rpt rra rrd rrf rrg rri rrp rrr rrs rrt rsa rsd rsf rsg rsi rsp rsr rss rst rta rtd rtf rtg rti rtp rtr rts rtt saa sad saf sag sai sap sar sas sat sda sdd sdf sdg sdi sdp sdr sds sdt sfa sfd sff sfg sfi sfp sfr sfs sft sga sgd sgf sgg sgi sgp sgr sgs sgt sia sid sif sig sii sip sir sis sit spa spd spf spg spi spp spr sps spt sr- sra srd srf srg sri srp srr srs srt ss- ssa ssd ssf ssg ssi ssp ssr sss sst sta std stf stg sti stp str sts stt taa tad taf tag tai tap tar tas tat tda tdd tdf tdg tdi tdp tdr tds tdt tfa tfd tff tfg tfi tfp tfr tfs tft tga tgf tgg tgi tgp tgr tgs tgt tia tid tif tig tii tip tir tis tit tpa tpd tpf tpg tpi tpp tpr tps tpt tra trd trf trg tri trp trr trs trt tsa tsd tsf tsg tsi tsp tsr tss tst tta ttd ttf ttg tti ttp ttr tts ttt