a-a a-i a-t aaa aaf aag aai aan aao aap aas aat af- afa aff afg afi afn afo afp afs aft ag- aga agf agg agi agn ago agp ags agt ai- aia aif aig aii ain aio aip ais ait an- ana anf ang ani ann ano anp ans ant aoa aof aog aoi aon aoo aop aos aot ap- apa apf apg api apn apo app aps apt as- asa asf asg asi asn aso asp ass ast at- ata atf atg ati atn ato atp ats att faa faf fag fai fan fao fap fas fat ffa fff ffg ffi ffn ffo ffp ffs fft fga fgf fgg fgi fgn fgp fgs fgt fia fif fig fii fin fip fis fit fna fnf fng fni fnn fnp fns fnt foa fof fog foi fon foo fop fos fot fpa fpg fpi fpn fpo fpp fps fpt fsa fsf fsg fsi fsn fso fsp fss fst fta ftf ftg fti ftn fto ftp fts ftt g-p gaa gaf gag gai gan gao gap gas gat gfa gff gfi gfo gfp gfs gft gga ggg ggi ggn ggo ggp ggs ggt gia gif gig gii gin gio gip gis git gna gnf gni gnn gno gnp gns gnt goa gof gog goi gon goo gop gos got gpa gpf gpg gpi gpn gpo gpp gps gpt gsa gsf gsg gsi gsn gso gsp gss gst gta gtf gtg gti gtn gto gtp gts gtt i-f ia- iaa iaf iag iai ian iao iap ias iat ifa iff ifg ifi ifn ifo ifp ifs ift iga igf igg igi ign igo igp igs igt iia iif iii iin iio iip iis iit in- ina inf ing ini inn ino inp ins int io- ioa iof iog ioi ion ioo iop ios iot ipa ipf ipg ipi ipn ipo ipp ips ipt is- isa isf isg isi isn iso isp iss ist ita itf itg iti itn ito itp its itt n-i naa naf nag nai nan nao nap nas nat nfa nff nfi nfn nfo nfp nfs nft nga ngf ngg ngi ngn ngo ngp ngs ngt nia nif nig nii nin nio nip nis nit nna nnf nng nni nnn nno nnp nns nnt no- noa nof nog noi non noo nop nos not npa npf npg npi npn npo npp nps npt nsa nsf nsg nsi nsn nso nsp nss nst nta ntf ntg nti ntn nto ntp nts ntt o-i oaa oaf oag oai oan oao oap oas oat of- ofa off ofg ofi ofn ofo ofp ofs oft oga ogf ogg ogi ogn ogo ogp ogs ogt oia oif oii oin oio oip ois oit on- ona onf ong oni onn ono onp ons ont oo- ooa oof oog ooi oon ooo oop oos oot op- opa opf opg opi opn opo opp ops opt os- osa osf osg osi osn oso osp oss ost ot- ota otf otg oti otn oto otp ots ott p-p paa paf pag pai pan pao pap pas pat pfa pff pfg pfi pfn pfo pfp pfs pft pga pgf pgg pgi pgn pgo pgp pgs pgt pia pif pig pii pin pio pip pis pit pn- pna pnf png pni pnn pno pnp pns pnt poa pof pog poi pon poo pop pos pot ppa ppf ppg ppi ppn ppo ppp pps ppt ps- psa psf psg psi psn pso psp pss pst pt- pta ptf ptg pti ptn pto ptp pts ptt saa saf sag sai san sao sap sas sat sfa sff sfg sfi sfn sfo sfp sfs sft sga sgf sgg sgi sgn sgo sgp sgs sgt sia sif sig sii sin sio sip sis sit sna snf sng sni snn sno snp sns snt soa sof sog soi son soo sop sos sot spa spf spg spi spn spo spp sps spt ss- ssa ssf ssg ssi ssn sso ssp sss sst sta stf stg sti stn sto stp sts stt taa taf tag tai tan tao tap tas tat tfa tff tfg tfi tfn tfo tfp tfs tft tga tgf tgg tgi tgn tgo tgp tgs tgt tia tif tig tii tin tio tip tis tit tna tnf tng tni tnn tno tnp tns tnt to- toa tof tog toi ton too top tos tot tpa tpf tpg tpi tpn tpo tpp tps tpt tsa tsf tsg tsi tsn tso tsp tss tst tta ttf ttg tti ttn tto ttp tts ttt