-er a-a a-i aaa aae aaf aag aai aan aao aap aar aas aea aee aef aeg aei aen aeo aep aer aes af- afa afe aff afg afi afn afo afp afr afs ag- aga age agf agg agi agn ago agp agr ags ai- aia aie aif aig aii ain aio aip air ais an- ana ane anf ang ani ann ano anp anr ans aoa aoe aof aog aoi aon aoo aop aor aos ap- apa ape apf apg api apn apo app apr aps ar- ara are arf arg ari arn aro arp arr ars as- asa ase asf asg asi asn aso asp asr ass eaa eae eaf eag eai ean eao eap ear eas eea eee eef eeg een eeo eep eer ees ef- efa efe eff efg efi efo efp efr efs ega ege egf egg egi egn ego egp egr egs eia eie eif eig eii ein eio eip eir eis en- ena ene enf eng eni enn eno enp enr ens eo- eoa eoe eof eog eoi eon eoo eop eor eos ep- epa epe epf epg epi epn epo epp epr eps era ere erf erg eri ern ero erp err ers es- esa ese esf esg esi esn eso esp esr ess faa fae faf fag fai fan fao fap far fas fea fee fef feg fei fen feo fep fer fes ffa ffe fff ffg ffi ffn ffo ffp ffr ffs fga fge fgf fgg fgi fgn fgp fgr fgs fia fie fif fig fii fin fip fir fis fna fne fnf fng fni fnn fnp fnr fns foa foe fof fog foi fon foo fop for fos fpa fpe fpg fpi fpn fpo fpp fpr fps fra fre frf frg fri frn fro frp frr frs fsa fse fsf fsg fsi fsn fso fsp fsr fss g-p gaa gae gaf gag gai gan gao gap gar gas ge- gea gee gef geg gei gen geo gep ger ges gfa gfe gff gfi gfo gfp gfr gfs gga ggg ggi ggn ggo ggp ggr ggs gia gie gif gig gii gin gio gip gir gis gna gne gnf gni gnn gno gnp gnr gns goa goe gof gog goi gon goo gop gor gos gpa gpe gpf gpg gpi gpn gpo gpp gpr gps gra gre grf grg gri grn gro grp grr grs gsa gse gsf gsg gsi gsn gso gsp gsr gss i-f ia- iaa iae iaf iag iai ian iao iap iar ias ie- iea iee ief ieg iei ien iep ier ies ifa ife iff ifg ifi ifn ifo ifp ifr ifs iga ige igf igg igi ign igo igp igr igs iia iie iif iii iin iio iip iir iis in- ina ine inf ing ini inn ino inp inr ins io- ioa ioe iof iog ioi ion ioo iop ior ios ipa ipe ipf ipg ipi ipn ipo ipp ipr ips ir- ira ire irf irg iri irn iro irp irr irs is- isa ise isf isg isi isn iso isp isr iss n-i naa nae naf nag nai nan nao nap nar nas ne- nea nee nef neg nei nen neo nep ner nes nfa nfe nff nfi nfn nfo nfp nfr nfs nga nge ngf ngg ngi ngn ngo ngp ngs nia nie nif nig nii nin nio nip nir nis nna nne nnf nng nni nnn nno nnp nns no- noa noe nof nog noi non noo nop nor nos npa npe npf npg npi npn npo npp npr nps nra nre nrf nrg nri nrn nro nrp nrr nrs nsa nse nsf nsg nsi nsn nso nsp nsr nss o-i oaa oae oaf oag oai oan oao oap oar oas oea oee oef oeg oei oen oeo oep oer oes of- ofa ofe off ofg ofi ofn ofo ofp ofr ofs oga oge ogf ogg ogi ogn ogo ogp ogs oia oie oif oii oin oio oip oir ois on- ona one onf ong oni onn ono onp onr ons oo- ooa oof oog ooi oon ooo oop oor oos op- opa ope opf opg opi opn opo opp opr ops or- ora ore orf org ori orn oro orp orr ors os- osa ose osf osg osi osn oso osp osr oss p-p paa pae paf pag pai pan pao pap par pas pea pee pef peg pei pen peo pep per pes pfa pfe pff pfg pfi pfn pfo pfp pfr pfs pga pge pgf pgg pgi pgn pgo pgp pgr pgs pia pie pif pig pii pin pio pip pir pis pn- pna pne pnf png pni pnn pno pnp pnr pns poa poe pof pog poi pon poo pop por pos ppa ppe ppf ppg ppi ppn ppo ppp ppr pps pra pre prf prg pri prn pro prp prr prs ps- psa pse psf psg psi psn pso psp psr pss ra- raa rae raf rag rai ran rao rap rar ras re- rea ree ref reg rei ren reo rep rer res rfa rfe rff rfg rfi rfn rfo rfp rfr rfs rga rge rgf rgg rgi rgn rgo rgp rgr rgs ria rie rif rig rii rin rio rip rir ris rna rng rni rnn rno rnp rnr rns roa roe rof rog roi ron roo rop ror ros rpa rpe rpf rpg rpi rpn rpo rpp rpr rps rra rrf rrg rri rrn rrp rrr rrs rsa rse rsf rsg rsi rsn rso rsp rsr rss saa sae saf sag sai san sao sap sar sas se- sea see sef seg sei sen seo sep ser ses sfa sfe sff sfg sfi sfn sfo sfp sfr sfs sga sge sgf sgg sgi sgn sgo sgp sgr sgs sia sie sif sig sii sin sio sip sir sis sna sne snf sng sni snn sno snp snr sns soa soe sof sog soi son soo sop sor sos spa spe spf spg spi spn spo spp spr sps sr- sra sre