a-a a-i a-t aaa aaf aag aai aan aao aap aar aas aat af- afa aff afg afi afn afo afp afr afs aft ag- aga agf agg agi agn ago agp agr ags agt ai- aia aif aig aii ain aio aip air ais ait an- ana anf ang ani ann ano anp anr ans ant aoa aof aog aoi aon aoo aop aor aos aot ap- apa apf apg api apn apo app apr aps apt ar- ara arf arg ari arn aro arp arr ars art as- asa asf asg asi asn aso asp asr ass ast at- ata atf atg ati atn ato atp atr ats att faa faf fag fai fan fao fap far fas fat ffa fff ffg ffi ffn ffo ffp ffr ffs fft fga fgf fgg fgi fgn fgp fgr fgs fgt fia fif fig fii fin fip fir fis fit fna fnf fng fni fnn fnp fnr fns fnt foa fof fog foi fon foo fop for fos fot fpa fpg fpi fpn fpo fpp fpr fps fpt fra frf frg fri frn fro frp frr frs frt fsa fsf fsg fsi fsn fso fsp fsr fss fst fta ftf ftg fti ftn fto ftp ftr fts ftt g-p gaa gaf gag gai gan gao gap gar gas gat gfa gff gfi gfo gfp gfr gfs gft gga ggg ggi ggn ggo ggp ggr ggs ggt gia gif gig gii gin gio gip gir gis git gna gnf gni gnn gno gnp gnr gns gnt goa gof gog goi gon goo gop gor gos got gpa gpf gpg gpi gpn gpo gpp gpr gps gpt gra grf grg gri grn gro grp grr grs grt gsa gsf gsg gsi gsn gso gsp gsr gss gst gta gtf gtg gti gtn gto gtp gtr gts gtt i-f ia- iaa iaf iag iai ian iao iap iar ias iat ifa iff ifg ifi ifn ifo ifp ifr ifs ift iga igf igg igi ign igo igp igr igs igt iia iif iii iin iio iip iir iis iit in- ina inf ing ini inn ino inp inr ins int io- ioa iof iog ioi ion ioo iop ior ios iot ipa ipf ipg ipi ipn ipo ipp ipr ips ipt ir- ira irf irg iri irn iro irp irr irs irt is- isa isf isg isi isn iso isp isr iss ist ita itf itg iti itn ito itp its itt n-i naa naf nag nai nan nao nap nar nas nat nfa nff nfi nfn nfo nfp nfr nfs nft nga ngf ngg ngi ngn ngo ngp ngs ngt nia nif nig nii nin nio nip nir nis nit nna nnf nng nni nnn nno nnp nns nnt no- noa nof nog noi non noo nop nor nos not npa npf npg npi npn npo npp npr nps npt nra nrf nrg nri nrn nro nrp nrr nrs nrt nsa nsf nsg nsi nsn nso nsp nsr nss nst nta ntf ntg nti ntn nto ntp ntr nts ntt o-i oaa oaf oag oai oan oao oap oar oas oat of- ofa off ofg ofi ofn ofo ofp ofr ofs oft oga ogf ogg ogi ogn ogo ogp ogs ogt oia oif oii oin oio oip oir ois oit on- ona onf ong oni onn ono onp onr ons ont oo- ooa oof oog ooi oon ooo oop oor oos oot op- opa opf opg opi opn opo opp opr ops opt or- ora orf org ori orn oro orp orr ors ort os- osa osf osg osi osn oso osp osr oss ost ot- ota otf otg oti otn oto otp otr ots ott p-p paa paf pag pai pan pao pap par pas pat pfa pff pfg pfi pfn pfo pfp pfr pfs pft pga pgf pgg pgi pgn pgo pgp pgr pgs pgt pia pif pig pii pin pio pip pir pis pit pn- pna pnf png pni pnn pno pnp pnr pns pnt poa pof pog poi pon poo pop por pos pot ppa ppf ppg ppi ppn ppo ppp ppr pps ppt pra prf prg pri prn pro prp prr prs prt ps- psa psf psg psi psn pso psp psr pss pst pt- pta ptf ptg pti ptn pto ptp ptr pts ptt ra- raa raf rag rai ran rao rap rar ras rat rfa rff rfg rfi rfn rfo rfp rfr rfs rft rga rgf rgg rgi rgn rgo rgp rgr rgs rgt ria rif rig rii rin rio rip rir ris rit rna rng rni rnn rno rnp rnr rns rnt roa rof rog roi ron roo rop ror ros rot rpa rpf rpg rpi rpn rpo rpp rpr rps rpt rra rrf rrg rri rrn rrp rrr rrs rrt rsa rsf rsg rsi rsn rso rsp rsr rss rst rta rtf rtg rti rtn rto rtp rtr rts rtt saa saf sag sai san sao sap sar sas sat sfa sff sfg sfi sfn sfo sfp sfr sfs sft sga sgf sgg sgi sgn sgo sgp sgr sgs sgt sia sif sig sii sin sio sip sir sis sit sna snf sng sni snn sno snp snr sns snt soa sof sog soi son soo sop sor sos sot spa spf spg spi spn spo spp spr sps spt sr- sra srf srg sri srn sro srp srr srs srt ss- ssa ssf ssg ssi ssn sso ssp ssr sss sst sta stf stg sti stn sto stp str sts stt taa taf tag tai tan tao tap tar tas tat tfa tff tfg tfi tfn tfo tfp tfr tfs tft tga tgf tgg tgi tgn tgo tgp tgr tgs tgt tia tif tig tii tin tio tip tir tis tit tna tnf tng tni tnn tno tnp tnr tns tnt to- toa tof tog toi ton too top tor tos tot tpa tpf tpg tpi tpn tpo tpp tpr tps tpt tra trf trg tri trn tro trp trr trs trt tsa