-er a-a a-i a-t aaa aae aaf aag aai aam aar aas aat aea aee aef aeg aei aem aer aes aet af- afa afe aff afg afi afm afr afs aft ag- aga age agf agg agi agm agr ags agt ai- aia aie aif aig aii aim air ais ait ama ame amf amg ami amm amr ams amt ar- ara are arf arg ari arm arr ars art as- asa ase asf asg asi asm asr ass ast at- ata ate atf atg ati atm atr ats att eaa eae eaf eag eai eam ear eas eat eea eee eef eeg eem eer ees eet ef- efa efe eff efg efi efm efr efs eft ega ege egf egg egi egm egr egs egt eia eie eif eig eii eim eir eis eit em- ema eme emf emg emi emm emr ems emt era ere erf erg eri erm err ers ert es- esa ese esf esg esi esm esr ess est eta ete etf etg eti etm etr ets ett faa fae faf fag fai fam far fas fat fea fee fef feg fei fem fer fes fet ffa ffe fff ffg ffi ffm ffr ffs fft fga fge fgf fgg fgi fgm fgr fgs fgt fia fie fif fig fii fim fir fis fit fma fme fmf fmg fmi fmm fmr fms fmt fra fre frf frg fri frm frr frs frt fsa fse fsf fsg fsi fsm fsr fss fst fta fte ftf ftg fti ftm ftr fts ftt gaa gae gaf gag gai gam gar gas gat ge- gea gee gef geg gei gem ger ges get gfa gfe gff gfi gfm gfr gfs gft gga ggg ggi ggm ggr ggs ggt gia gie gif gig gii gim gir gis git gma gme gmf gmg gmi gmm gmr gms gmt gra gre grf grg gri grm grr grs grt gsa gse gsf gsg gsi gsm gsr gss gst gta gte gtf gtg gti gtm gtr gts gtt i-f ia- iaa iae iaf iag iai iam iar ias iat ie- iea iee ief ieg iei iem ier ies iet ifa ife iff ifg ifi ifm ifr ifs ift iga ige igf igg igi igm igr igs igt iia iie iif iii iim iir iis iit im- ima ime imf img imi imm ims imt ir- ira ire irf irg iri irm irr irs irt is- isa ise isf isg isi ism isr iss ist ita ite itf itg iti itm its itt m-f m-r maa mae maf mag mai mam mar mas mat mea mee mef meg mei mem mer mes met mfa mfe mff mfg mfi mfm mfr mfs mft mga mge mgf mgi mgm mgr mgs mgt mi- mia mie mif mig mii mim mir mis mit mma mme mmf mmg mmi mmm mmr mms mmt mra mre mrf mrg mri mrm mrr mrs mrt msa mse msf msg msi msm msr mss mst mta mte mtf mtg mti mtm mtr mts mtt ra- raa rae raf rag rai ram rar ras rat re- rea ree ref reg rei rem rer res ret rfa rfe rff rfg rfi rfm rfr rfs rft rga rge rgf rgg rgi rgr rgs rgt ria rie rif rig rii rim rir ris rit rma rme rmf rmg rmi rmm rmr rms rmt rra rrf rrg rri rrm rrr rrs rrt rsa rse rsf rsg rsi rsm rsr rss rst rta rte rtf rtg rti rtm rtr rts rtt saa sae saf sag sai sam sar sas sat se- sea see sef seg sei sem ser ses set sfa sfe sff sfg sfi sfm sfr sfs sft sga sge sgf sgg sgi sgm sgr sgs sgt sia sie sif sig sii sim sir sis sit sma sme smf smg smi smm smr sms smt sr- sra sre srf srg sri srm srr srs srt ss- ssa sse ssf ssg ssi ssm ssr sss sst sta ste stf stg sti stm str sts stt taa tae taf tag tai tam tar tas tat te- tea tee tef teg tei tem ter tes tet tfa tfe tff tfg tfi tfm tfr tfs tft tga tge tgf tgg tgi tgm tgr tgs tgt tia tie tif tig tii tim tir tis tit tma tme tmf tmg tmi tmm tmr tms tmt tra tre trf trg tri trm trr trs trt tsa tse tsf tsg tsi tsm tsr tss tst tta tte ttf ttg tti ttm ttr tts ttt