-er a-a a-i a-t aaa aad aae aag aai aap aar aas aat ad- ada add ade adg adi adp adr ads adt aea aed aee aeg aei aep aer aes aet ag- aga agd age agg agi agp agr ags agt ai- aia aid aie aig aii aip air ais ait ap- apa apd ape apg api app apr aps apt ar- ara ard are arg ari arp arr ars art as- asa asd ase asg asi asp asr ass ast at- ata atd ate atg ati atp atr ats att daa dad dae dag dai dap dar das dat dda ddd dde ddg ddi ddp ddr dds ddt de- dea ded dee deg dei dep der des det dga dgd dge dgg dgi dgp dgr dgs dgt di- dia did die dig dii dip dir dis dit dpa dpd dpe dpg dpi dpp dpr dps dpt dra drd dre drg dri drp drr drs drt dsa dsd dse dsg dsi dsp dsr dss dst dta dtd dte dtg dti dtp dtr dts dtt eaa ead eae eag eai eap ear eas eat ed- eda edd ede edg edi edp edr eds edt eea eed eee eeg eep eer ees eet ega egd ege egg egi egp egr egs egt eia eid eie eig eii eip eir eis eit ep- epa epd epe epg epi epp epr eps ept era erd ere erg eri erp err ers ert es- esa esd ese esg esi esp esr ess est eta etd ete etg eti etp etr ets ett g-d g-p gaa gad gae gag gai gap gar gas gat gda gdd gde gdi gdp gdr gds gdt ge- gea ged gee geg gei gep ger ges get gga ggd ggg ggi ggp ggr ggs ggt gia gid gie gig gii gip gir gis git gpa gpd gpe gpg gpi gpp gpr gps gpt gra grd gre grg gri grp grr grs grt gsa gsd gse gsg gsi gsp gsr gss gst gta gtd gte gtg gti gtp gtr gts gtt i-d ia- iaa iad iae iag iai iap iar ias iat ida idd ide idg idi idp idr ids idt ie- iea ied iee ieg iei iep ier ies iet iga igd ige igg igi igp igr igs igt iia iid iie iii iip iir iis iit ipa ipd ipe ipg ipi ipp ipr ips ipt ir- ira ird ire irg iri irp irr irs irt is- isa isd ise isg isi isp isr iss ist ita itd ite itg iti itp its itt p-p paa pad pae pag pai pap par pas pat pda pdd pde pdg pdi pdp pdr pds pdt pea ped pee peg pei pep per pes pet pga pgd pge pgg pgi pgp pgr pgs pgt pia pid pie pig pii pip pir pis pit ppa ppd ppe ppg ppi ppp ppr pps ppt pra prd pre prg pri prp prr prs prt ps- psa psd pse psg psi psp psr pss pst pt- pta ptd pte ptg pti ptp ptr pts ptt ra- raa rad rae rag rai rap rar ras rat rda rdd rde rdg rdi rdp rdr rds rdt re- rea red ree reg rei rep rer res ret rga rgd rge rgg rgi rgp rgr rgs rgt ria rid rie rig rii rip rir ris rit rpa rpd rpe rpg rpi rpp rpr rps rpt rra rrd rrg rri rrp rrr rrs rrt rsa rsd rse rsg rsi rsp rsr rss rst rta rtd rte rtg rti rtp rtr rts rtt saa sad sae sag sai sap sar sas sat sda sdd sde sdg sdi sdp sdr sds sdt se- sea sed see seg sei sep ser ses set sga sgd sge sgg sgi sgp sgr sgs sgt sia sid sie sig sii sip sir sis sit spa spd spe spg spi spp spr sps spt sr- sra srd sre srg sri srp srr srs srt ss- ssa ssd sse ssg ssi ssp ssr sss sst sta std ste stg sti stp str sts stt taa tad tae tag tai tap tar tas tat tda tdd tde tdg tdi tdp tdr tds tdt te- tea ted tee teg tei tep ter tes tet tga tge tgg tgi tgp tgr tgs tgt tia tid tie tig tii tip tir tis tit tpa tpd tpe tpg tpi tpp tpr tps tpt tra trd tre trg tri trp trr trs trt tsa tsd tse tsg tsi tsp tsr tss tst tta ttd tte ttg tti ttp ttr tts ttt