a-a a-i a-t aaa aaf aag aai aao aap aar aat af- afa aff afg afi afo afp afr aft ag- aga agf agg agi ago agp agr agt ai- aia aif aig aii aio aip air ait aoa aof aog aoi aoo aop aor aot ap- apa apf apg api apo app apr apt ar- ara arf arg ari aro arp arr art at- ata atf atg ati ato atp atr att faa faf fag fai fao fap far fat ffa fff ffg ffi ffo ffp ffr fft fga fgf fgg fgi fgp fgr fgt fia fif fig fii fip fir fit foa fof fog foi foo fop for fot fpa fpg fpi fpo fpp fpr fpt fra frf frg fri fro frp frr frt fta ftf ftg fti fto ftp ftr ftt g-p gaa gaf gag gai gao gap gar gat gfa gff gfi gfo gfp gfr gft gga ggg ggi ggo ggp ggr ggt gia gif gig gii gio gip gir git goa gof gog goi goo gop gor got gpa gpf gpg gpi gpo gpp gpr gpt gra grf grg gri gro grp grr grt gta gtf gtg gti gto gtp gtr gtt i-f ia- iaa iaf iag iai iao iap iar iat ifa iff ifg ifi ifo ifp ifr ift iga igf igg igi igo igp igr igt iia iif iii iio iip iir iit io- ioa iof iog ioi ioo iop ior iot ipa ipf ipg ipi ipo ipp ipr ipt ir- ira irf irg iri iro irp irr irt ita itf itg iti ito itp itt o-i oaa oaf oag oai oao oap oar oat of- ofa off ofg ofi ofo ofp ofr oft oga ogf ogg ogi ogo ogp ogt oia oif oii oio oip oir oit oo- ooa oof oog ooi ooo oop oor oot op- opa opf opg opi opo opp opr opt or- ora orf org ori oro orp orr ort ot- ota otf otg oti oto otp otr ott p-p paa paf pag pai pao pap par pat pfa pff pfg pfi pfo pfp pfr pft pga pgf pgg pgi pgo pgp pgr pgt pia pif pig pii pio pip pir pit poa pof pog poi poo pop por pot ppa ppf ppg ppi ppo ppp ppr ppt pra prf prg pri pro prp prr prt pt- pta ptf ptg pti pto ptp ptr ptt ra- raa raf rag rai rao rap rar rat rfa rff rfg rfi rfo rfp rfr rft rga rgf rgg rgi rgo rgp rgr rgt ria rif rig rii rio rip rir rit roa rof rog roi roo rop ror rot rpa rpf rpg rpi rpo rpp rpr rpt rra rrf rrg rri rrp rrr rrt rta rtf rtg rti rto rtp rtr rtt taa taf tag tai tao tap tar tat tfa tff tfg tfi tfo tfp tfr tft tga tgf tgg tgi tgo tgp tgr tgt tia tif tig tii tio tip tir tit to- toa tof tog toi too top tor tot tpa tpf tpg tpi tpo tpp tpr tpt tra trf trg tri tro trp trr trt tta ttf ttg tti tto ttp ttr ttt