-er a-a a-i a-t aaa aae aaf aag aai aao aap aar aat aea aee aef aeg aei aeo aep aer aet af- afa afe aff afg afi afo afp afr aft ag- aga age agf agg agi ago agp agr agt ai- aia aie aif aig aii aio aip air ait aoa aoe aof aog aoi aoo aop aor aot ap- apa ape apf apg api apo app apr apt ar- ara are arf arg ari aro arp arr art at- ata ate atf atg ati ato atp atr att eaa eae eaf eag eai eao eap ear eat eea eee eef eeg eeo eep eer eet ef- efa efe eff efg efi efo efp efr eft ega ege egf egg egi ego egp egr egt eia eie eif eig eii eio eip eir eit eo- eoa eoe eof eog eoi eoo eop eor eot ep- epa epe epf epg epi epo epp epr ept era ere erf erg eri ero erp err ert eta ete etf etg eti eto etp etr ett faa fae faf fag fai fao fap far fat fea fee fef feg fei feo fep fer fet ffa ffe fff ffg ffi ffo ffp ffr fft fga fge fgf fgg fgi fgp fgr fgt fia fie fif fig fii fip fir fit foa foe fof fog foi foo fop for fot fpa fpe fpg fpi fpo fpp fpr fpt fra fre frf frg fri fro frp frr frt fta fte ftf ftg fti fto ftp ftr ftt g-p gaa gae gaf gag gai gao gap gar gat ge- gea gee gef geg gei geo gep ger get gfa gfe gff gfi gfo gfp gfr gft gga ggg ggi ggo ggp ggr ggt gia gie gif gig gii gio gip gir git goa goe gof gog goi goo gop gor got gpa gpe gpf gpg gpi gpo gpp gpr gpt gra gre grf grg gri gro grp grr grt gta gte gtf gtg gti gto gtp gtr gtt i-f ia- iaa iae iaf iag iai iao iap iar iat ie- iea iee ief ieg iei iep ier iet ifa ife iff ifg ifi ifo ifp ifr ift iga ige igf igg igi igo igp igr igt iia iie iif iii iio iip iir iit io- ioa ioe iof iog ioi ioo iop ior iot ipa ipe ipf ipg ipi ipo ipp ipr ipt ir- ira ire irf irg iri iro irp irr irt ita ite itf itg iti ito itp itt o-i oaa oae oaf oag oai oao oap oar oat oea oee oef oeg oei oeo oep oer oet of- ofa ofe off ofg ofi ofo ofp ofr oft oga oge ogf ogg ogi ogo ogp ogt oia oie oif oii oio oip oir oit oo- ooa oof oog ooi ooo oop oor oot op- opa ope opf opg opi opo opp opr opt or- ora ore orf org ori oro orp orr ort ot- ota ote otf otg oti oto otp otr ott p-p paa pae paf pag pai pao pap par pat pea pee pef peg pei peo pep per pet pfa pfe pff pfg pfi pfo pfp pfr pft pga pge pgf pgg pgi pgo pgp pgr pgt pia pie pif pig pii pio pip pir pit poa poe pof pog poi poo pop por pot ppa ppe ppf ppg ppi ppo ppp ppr ppt pra pre prf prg pri pro prp prr prt pt- pta pte ptf ptg pti pto ptp ptr ptt ra- raa rae raf rag rai rao rap rar rat re- rea ree ref reg rei reo rep rer ret rfa rfe rff rfg rfi rfo rfp rfr rft rga rge rgf rgg rgi rgo rgp rgr rgt ria rie rif rig rii rio rip rir rit roa roe rof rog roi roo rop ror rot rpa rpe rpf rpg rpi rpo rpp rpr rpt rra rrf rrg rri rrp rrr rrt rta rte rtf rtg rti rto rtp rtr rtt taa tae taf tag tai tao tap tar tat te- tea tee tef teg tei teo tep ter tet tfa tfe tff tfg tfi tfo tfp tfr tft tga tge tgf tgg tgi tgo tgp tgr tgt tia tie tif tig tii tio tip tir tit to- toa toe tof tog toi too top tor tot tpa tpe tpf tpg tpi tpo tpp tpr tpt tra tre trf trg tri tro trp trr trt tta tte ttf ttg tti tto ttp ttr ttt