-er a-a a-i a-t aaa aae aaf aag aai aar aat aea aee aef aeg aei aer aet af- afa afe aff afg afi afr aft ag- aga age agf agg agi agr agt ai- aia aie aif aig aii air ait ar- ara are arf arg ari arr art at- ata ate atf atg ati atr att eaa eae eaf eag eai ear eat eea eee eef eeg eer eet ef- efa efe eff efg efi efr eft ega ege egf egg egi egr egt eia eie eif eig eii eir eit era ere erf erg eri err ert eta ete etf etg eti etr ett faa fae faf fag fai far fat fea fee fef feg fei fer fet ffa ffe fff ffg ffi ffr fft fga fge fgf fgg fgi fgr fgt fia fie fif fig fii fir fit fra fre frf frg fri frr frt fta fte ftf ftg fti ftr ftt gaa gae gaf gag gai gar gat ge- gea gee gef geg gei ger get gfa gfe gff gfi gfr gft gga ggg ggi ggr ggt gia gie gif gig gii gir git gra gre grf grg gri grr grt gta gte gtf gtg gti gtr gtt i-f ia- iaa iae iaf iag iai iar iat ie- iea iee ief ieg iei ier iet ifa ife iff ifg ifi ifr ift iga ige igf igg igi igr igt iia iie iif iii iir iit ir- ira ire irf irg iri irr irt ita ite itf itg iti itt ra- raa rae raf rag rai rar rat re- rea ree ref reg rei rer ret rfa rfe rff rfg rfi rfr rft rga rge rgf rgg rgi rgr rgt ria rie rif rig rii rir rit rra rrf rrg rri rrr rrt rta rte rtf rtg rti rtr rtt taa tae taf tag tai tar tat te- tea tee tef teg tei ter tet tfa tfe tff tfg tfi tfr tft tga tge tgf tgg tgi tgr tgt tia tie tif tig tii tir tit tra tre trf trg tri trr trt tta tte ttf ttg tti ttr ttt