-er a-a a-i a-t aaa aae aaf aag aai aan aar aas aat aea aee aef aeg aei aen aer aes aet af- afa afe aff afg afi afn afr afs aft ag- aga age agf agg agi agn agr ags agt ai- aia aie aif aig aii ain air ais ait an- ana ane anf ang ani ann anr ans ant ar- ara are arf arg ari arn arr ars art as- asa ase asf asg asi asn asr ass ast at- ata ate atf atg ati atn atr ats att eaa eae eaf eag eai ean ear eas eat eea eee eef eeg een eer ees eet ef- efa efe eff efg efi efr efs eft ega ege egf egg egi egn egr egs egt eia eie eif eig eii ein eir eis eit en- ena ene enf eng eni enn enr ens ent era ere erf erg eri ern err ers ert es- esa ese esf esg esi esn esr ess est eta ete etf etg eti etn etr ets ett faa fae faf fag fai fan far fas fat fea fee fef feg fei fen fer fes fet ffa ffe fff ffg ffi ffn ffr ffs fft fga fge fgf fgg fgi fgn fgr fgs fgt fia fie fif fig fii fin fir fis fit fna fne fnf fng fni fnn fnr fns fnt fra fre frf frg fri frn frr frs frt fsa fse fsf fsg fsi fsn fsr fss fst fta fte ftf ftg fti ftn ftr fts ftt gaa gae gaf gag gai gan gar gas gat ge- gea gee gef geg gei gen ger ges get gfa gfe gff gfi gfr gfs gft gga ggg ggi ggn ggr ggs ggt gia gie gif gig gii gin gir gis git gna gne gnf gni gnn gnr gns gnt gra gre grf grg gri grn grr grs grt gsa gse gsf gsg gsi gsn gsr gss gst gta gte gtf gtg gti gtn gtr gts gtt i-f ia- iaa iae iaf iag iai ian iar ias iat ie- iea iee ief ieg iei ien ier ies iet ifa ife iff ifg ifi ifn ifr ifs ift iga ige igf igg igi ign igr igs igt iia iie iif iii iin iir iis iit in- ina ine inf ing ini inn inr ins int ir- ira ire irf irg iri irn irr irs irt is- isa ise isf isg isi isn isr iss ist ita ite itf itg iti itn its itt n-i naa nae naf nag nai nan nar nas nat ne- nea nee nef neg nei nen ner nes net nfa nfe nff nfi nfn nfr nfs nft nga nge ngf ngg ngi ngn ngs ngt nia nie nif nig nii nin nir nis nit nna nne nnf nng nni nnn nns nnt nra nre nrf nrg nri nrn nrr nrs nrt nsa nse nsf nsg nsi nsn nsr nss nst nta nte ntf ntg nti ntn ntr nts ntt ra- raa rae raf rag rai ran rar ras rat re- rea ree ref reg rei ren rer res ret rfa rfe rff rfg rfi rfn rfr rfs rft rga rge rgf rgg rgi rgn rgr rgs rgt ria rie rif rig rii rin rir ris rit rna rng rni rnn rnr rns rnt rra rrf rrg rri rrn rrr rrs rrt rsa rse rsf rsg rsi rsn rsr rss rst rta rte rtf rtg rti rtn rtr rts rtt saa sae saf sag sai san sar sas sat se- sea see sef seg sei sen ser ses set sfa sfe sff sfg sfi sfn sfr sfs sft sga sge sgf sgg sgi sgn sgr sgs sgt sia sie sif sig sii sin sir sis sit sna sne snf sng sni snn snr sns snt sr- sra sre srf srg sri srn srr srs srt ss- ssa sse ssf ssg ssi ssn ssr sss sst sta ste stf stg sti stn str sts stt taa tae taf tag tai tan tar tas tat te- tea tee tef teg tei ten ter tes tet tfa tfe tff tfg tfi tfn tfr tfs tft tga tge tgf tgg tgi tgn tgr tgs tgt tia tie tif tig tii tin tir tis tit tna tne tnf tng tni tnn tnr tns tnt tra tre trf trg tri trn trr trs trt tsa tse tsf tsg tsi tsn tsr tss tst tta tte ttf ttg tti ttn ttr tts ttt