-er -ic a-a a-c a-i a-t aaa aac aae aaf aag aai aan aao aar aat ac- aca acc ace acf acg aci acn aco acr act aea aec aee aef aeg aei aen aeo aer aet af- afa afc afe aff afg afi afn afo afr aft ag- aga agc age agf agg agi agn ago agr agt ai- aia aic aie aif aig aii ain aio air ait an- ana anc ane anf ang ani ann ano anr ant aoa aoc aoe aof aog aoi aon aoo aor aot ar- ara arc are arf arg ari arn aro arr art at- ata atc ate atf atg ati atn ato atr att c-- caa cac cae caf cag cai can cao car cat cca ccc cce ccf ccg cci ccn cco ccr cct ce- cea cec cee cef ceg cei cen ceo cer cet cfa cfc cfe cff cfg cfi cfn cfo cfr cft cga cgc cge cgg cgi cgn cgo cgr cgt ci- cia cic cie cif cig cii cin cio cir cit cn- cna cnc cne cnf cng cni cnn cno cnr cnt co- coa coc coe cof cog coi con coo cor cot cra crc cre crf crg cri crn cro crr crt cta ctc cte ctf ctg cti ctn cto ctr ctt eaa eac eae eaf eag eai ean eao ear eat ec- eca ecc ece ecf ecg eci ecn eco ecr ect eea eec eee eef eeg een eeo eer eet ef- efa efc efe eff efg efi efo efr eft ega egc ege egf egg egi egn ego egr egt eia eic eie eif eig eii ein eio eir eit en- ena enc ene enf eng eni enn eno enr ent eo- eoa eoc eoe eof eog eoi eon eoo eor eot era erc ere erf erg eri ern ero err ert eta etc ete etf etg eti etn eto etr ett faa fac fae faf fag fai fan fao far fat fca fcc fce fcf fcg fci fcn fco fcr fct fea fec fee fef feg fei fen feo fer fet ffa ffc ffe fff ffg ffi ffn ffo ffr fft fga fgc fge fgf fgg fgi fgn fgr fgt fia fic fie fif fig fii fin fir fit fna fnc fne fnf fng fni fnn fnr fnt foa foc foe fof fog foi fon foo for fot fra frc fre frf frg fri frn fro frr frt fta ftc fte ftf ftg fti ftn fto ftr ftt gaa gac gae gaf gag gai gan gao gar gat gca gcc gce gcf gcg gci gcn gco gcr gct ge- gea gec gee gef geg gei gen geo ger get gfa gfc gfe gff gfi gfo gfr gft gga ggc ggg ggi ggn ggo ggr ggt gia gic gie gif gig gii gin gio gir git gna gnc gne gnf gni gnn gno gnr gnt goa goc goe gof gog goi gon goo gor got gra grc gre grf grg gri grn gro grr grt gta gtc gte gtf gtg gti gtn gto gtr gtt i-f ia- iaa iac iae iaf iag iai ian iao iar iat ica icc ice icf icg ici icn ico icr ict ie- iea iec iee ief ieg iei ien ier iet ifa ifc ife iff ifg ifi ifn ifo ifr ift iga igc ige igf igg igi ign igo igr igt iia iic iie iif iii iin iio iir iit in- ina inc ine inf ing ini inn ino inr int io- ioa ioc ioe iof iog ioi ion ioo ior iot ir- ira irc ire irf irg iri irn iro irr irt ita itc ite itf itg iti itn ito itt n-i naa nac nae naf nag nai nan nao nar nat nca ncc nce ncf ncg nci ncn nco ncr nct ne- nea nec nee nef neg nei nen neo ner net nfa nfc nfe nff nfi nfn nfo nfr nft nga ngc nge ngf ngg ngi ngn ngo ngt nia nic nie nif nig nii nin nio nir nit nna nnc nne nnf nng nni nnn nno nnt no- noa noc noe nof nog noi non noo nor not nra nrc nre nrf nrg nri nrn nro nrr nrt nta ntc nte ntf ntg nti ntn nto ntr ntt o-i oaa oac oae oaf oag oai oan oao oar oat oc- oca occ ocf ocg oci ocn oco ocr oct oea oec oee oef oeg oei oen oeo oer oet of- ofa ofc ofe off ofg ofi ofn ofo ofr oft oga ogc oge ogf ogg ogi ogn ogo ogt oia oic oie oif oii oin oio oir oit on- ona onc one onf ong oni onn ono onr ont oo- ooa ooc oof oog ooi oon ooo oor oot or- ora orc ore orf org ori orn oro orr ort ot- ota otc ote otf otg oti otn oto otr ott ra- raa rac rae raf rag rai ran rao rar rat rca rcc rce rcf rcg rci rcn rco rcr rct re- rea rec ree ref reg rei ren reo rer ret rfa rfc rfe rff rfg rfi rfn rfo rfr rft rga rgc rge rgf rgg rgi rgn rgo rgr rgt ria ric rie rif rig rii rin rio rir rit rna rnc rng rni rnn rno rnr rnt roa roc roe rof rog roi ron roo ror rot rra rrc rrf rrg rri rrn rrr rrt rta rtc rte rtf rtg rti rtn rto rtr rtt taa tac tae taf tag tai tan tao tar tat tca tcc tce tcf tcg tci tcn tco tcr tct te- tea tec tee tef teg tei ten teo ter tet tfa tfc tfe tff tfg tfi tfn tfo tfr tft tga tgc tge tgf tgg tgi tgn tgo tgr tgt tia tic tie tif tig tii tin tio tir tit tna tnc tne tnf tng tni tnn tno tnr tnt to- toa toc toe tof tog toi ton too tor tot tra trc