-er a-a a-i a-t aaa aae aaf aag aai aan aao aar aat aea aee aef aeg aei aen aeo aer aet af- afa afe aff afg afi afn afo afr aft ag- aga age agf agg agi agn ago agr agt ai- aia aie aif aig aii ain aio air ait an- ana ane anf ang ani ann ano anr ant aoa aoe aof aog aoi aon aoo aor aot ar- ara are arf arg ari arn aro arr art at- ata ate atf atg ati atn ato atr att eaa eae eaf eag eai ean eao ear eat eea eee eef eeg een eeo eer eet ef- efa efe eff efg efi efo efr eft ega ege egf egg egi egn ego egr egt eia eie eif eig eii ein eio eir eit en- ena ene enf eng eni enn eno enr ent eo- eoa eoe eof eog eoi eon eoo eor eot era ere erf erg eri ern ero err ert eta ete etf etg eti etn eto etr ett faa fae faf fag fai fan fao far fat fea fee fef feg fei fen feo fer fet ffa ffe fff ffg ffi ffn ffo ffr fft fga fge fgf fgg fgi fgn fgr fgt fia fie fif fig fii fin fir fit fna fne fnf fng fni fnn fnr fnt foa foe fof fog foi fon foo for fot fra fre frf frg fri frn fro frr frt fta fte ftf ftg fti ftn fto ftr ftt gaa gae gaf gag gai gan gao gar gat ge- gea gee gef geg gei gen geo ger get gfa gfe gff gfi gfo gfr gft gga ggg ggi ggn ggo ggr ggt gia gie gif gig gii gin gio gir git gna gne gnf gni gnn gno gnr gnt goa goe gof gog goi gon goo gor got gra gre grf grg gri grn gro grr grt gta gte gtf gtg gti gtn gto gtr gtt i-f ia- iaa iae iaf iag iai ian iao iar iat ie- iea iee ief ieg iei ien ier iet ifa ife iff ifg ifi ifn ifo ifr ift iga ige igf igg igi ign igo igr igt iia iie iif iii iin iio iir iit in- ina ine inf ing ini inn ino inr int io- ioa ioe iof iog ioi ion ioo ior iot ir- ira ire irf irg iri irn iro irr irt ita ite itf itg iti itn ito itt n-i naa nae naf nag nai nan nao nar nat ne- nea nee nef neg nei nen neo ner net nfa nfe nff nfi nfn nfo nfr nft nga nge ngf ngg ngi ngn ngo ngt nia nie nif nig nii nin nio nir nit nna nne nnf nng nni nnn nno nnt no- noa noe nof nog noi non noo nor not nra nre nrf nrg nri nrn nro nrr nrt nta nte ntf ntg nti ntn nto ntr ntt o-i oaa oae oaf oag oai oan oao oar oat oea oee oef oeg oei oen oeo oer oet of- ofa ofe off ofg ofi ofn ofo ofr oft oga oge ogf ogg ogi ogn ogo ogt oia oie oif oii oin oio oir oit on- ona one onf ong oni onn ono onr ont oo- ooa oof oog ooi oon ooo oor oot or- ora ore orf org ori orn oro orr ort ot- ota ote otf otg oti otn oto otr ott ra- raa rae raf rag rai ran rao rar rat re- rea ree ref reg rei ren reo rer ret rfa rfe rff rfg rfi rfn rfo rfr rft rga rge rgf rgg rgi rgn rgo rgr rgt ria rie rif rig rii rin rio rir rit rna rng rni rnn rno rnr rnt roa roe rof rog roi ron roo ror rot rra rrf rrg rri rrn rrr rrt rta rte rtf rtg rti rtn rto rtr rtt taa tae taf tag tai tan tao tar tat te- tea tee tef teg tei ten teo ter tet tfa tfe tff tfg tfi tfn tfo tfr tft tga tge tgf tgg tgi tgn tgo tgr tgt tia tie tif tig tii tin tio tir tit tna tne tnf tng tni tnn tno tnr tnt to- toa toe tof tog toi ton too tor tot tra tre trf trg tri trn tro trr trt tta tte ttf ttg tti ttn tto ttr ttt