-er a-a a-i a-t aaa aae aaf aag aai aap aar aas aat aea aee aef aeg aei aep aer aes aet af- afa afe aff afg afi afp afr afs aft ag- aga age agf agg agi agp agr ags agt ai- aia aie aif aig aii aip air ais ait ap- apa ape apf apg api app apr aps apt ar- ara are arf arg ari arp arr ars art as- asa ase asf asg asi asp asr ass ast at- ata ate atf atg ati atp atr ats att eaa eae eaf eag eai eap ear eas eat eea eee eef eeg eep eer ees eet ef- efa efe eff efg efi efp efr efs eft ega ege egf egg egi egp egr egs egt eia eie eif eig eii eip eir eis eit ep- epa epe epf epg epi epp epr eps ept era ere erf erg eri erp err ers ert es- esa ese esf esg esi esp esr ess est eta ete etf etg eti etp etr ets ett faa fae faf fag fai fap far fas fat fea fee fef feg fei fep fer fes fet ffa ffe fff ffg ffi ffp ffr ffs fft fga fge fgf fgg fgi fgp fgr fgs fgt fia fie fif fig fii fip fir fis fit fpa fpe fpg fpi fpp fpr fps fpt fra fre frf frg fri frp frr frs frt fsa fse fsf fsg fsi fsp fsr fss fst fta fte ftf ftg fti ftp ftr fts ftt g-p gaa gae gaf gag gai gap gar gas gat ge- gea gee gef geg gei gep ger ges get gfa gfe gff gfi gfp gfr gfs gft gga ggg ggi ggp ggr ggs ggt gia gie gif gig gii gip gir gis git gpa gpe gpf gpg gpi gpp gpr gps gpt gra gre grf grg gri grp grr grs grt gsa gse gsf gsg gsi gsp gsr gss gst gta gte gtf gtg gti gtp gtr gts gtt i-f ia- iaa iae iaf iag iai iap iar ias iat ie- iea iee ief ieg iei iep ier ies iet ifa ife iff ifg ifi ifp ifr ifs ift iga ige igf igg igi igp igr igs igt iia iie iif iii iip iir iis iit ipa ipe ipf ipg ipi ipp ipr ips ipt ir- ira ire irf irg iri irp irr irs irt is- isa ise isf isg isi isp isr iss ist ita ite itf itg iti itp its itt p-p paa pae paf pag pai pap par pas pat pea pee pef peg pei pep per pes pet pfa pfe pff pfg pfi pfp pfr pfs pft pga pge pgf pgg pgi pgp pgr pgs pgt pia pie pif pig pii pip pir pis pit ppa ppe ppf ppg ppi ppp ppr pps ppt pra pre prf prg pri prp prr prs prt ps- psa pse psf psg psi psp psr pss pst pt- pta pte ptf ptg pti ptp ptr pts ptt ra- raa rae raf rag rai rap rar ras rat re- rea ree ref reg rei rep rer res ret rfa rfe rff rfg rfi rfp rfr rfs rft rga rge rgf rgg rgi rgp rgr rgs rgt ria rie rif rig rii rip rir ris rit rpa rpe rpf rpg rpi rpp rpr rps rpt rra rrf rrg rri rrp rrr rrs rrt rsa rse rsf rsg rsi rsp rsr rss rst rta rte rtf rtg rti rtp rtr rts rtt saa sae saf sag sai sap sar sas sat se- sea see sef seg sei sep ser ses set sfa sfe sff sfg sfi sfp sfr sfs sft sga sge sgf sgg sgi sgp sgr sgs sgt sia sie sif sig sii sip sir sis sit spa spe spf spg spi spp spr sps spt sr- sra sre srf srg sri srp srr srs srt ss- ssa sse ssf ssg ssi ssp ssr sss sst sta ste stf stg sti stp str sts stt taa tae taf tag tai tap tar tas tat te- tea tee tef teg tei tep ter tes tet tfa tfe tff tfg tfi tfp tfr tfs tft tga tge tgf tgg tgi tgp tgr tgs tgt tia tie tif tig tii tip tir tis tit tpa tpe tpf tpg tpi tpp tpr tps tpt tra tre trf trg tri trp trr trs trt tsa tse tsf tsg tsi tsp tsr tss tst tta tte ttf ttg tti ttp ttr tts ttt