-ic a-a a-c a-i a-t aaa aac aaf aag aai aan aao aar aas aat ac- aca acc acf acg aci acn aco acr acs act af- afa afc aff afg afi afn afo afr afs aft ag- aga agc agf agg agi agn ago agr ags agt ai- aia aic aif aig aii ain aio air ais ait an- ana anc anf ang ani ann ano anr ans ant aoa aoc aof aog aoi aon aoo aor aos aot ar- ara arc arf arg ari arn aro arr ars art as- asa asc asf asg asi asn aso asr ass ast at- ata atc atf atg ati atn ato atr ats att c-- caa cac caf cag cai can cao car cas cat cca ccc ccf ccg cci ccn cco ccr ccs cct cfa cfc cff cfg cfi cfn cfo cfr cfs cft cga cgc cgg cgi cgn cgo cgr cgs cgt ci- cia cic cif cig cii cin cio cir cis cit cn- cna cnc cnf cng cni cnn cno cnr cns cnt co- coa coc cof cog coi con coo cor cos cot cra crc crf crg cri crn cro crr crs crt csa csc csf csg csi csn cso csr css cst cta ctc ctf ctg cti ctn cto ctr cts ctt faa fac faf fag fai fan fao far fas fat fca fcc fcf fcg fci fcn fco fcr fcs fct ffa ffc fff ffg ffi ffn ffo ffr ffs fft fga fgc fgf fgg fgi fgn fgr fgs fgt fia fic fif fig fii fin fir fis fit fna fnc fnf fng fni fnn fnr fns fnt foa foc fof fog foi fon foo for fos fot fra frc frf frg fri frn fro frr frs frt fsa fsc fsf fsg fsi fsn fso fsr fss fst fta ftc ftf ftg fti ftn fto ftr fts ftt gaa gac gaf gag gai gan gao gar gas gat gca gcc gcf gcg gci gcn gco gcr gcs gct gfa gfc gff gfi gfo gfr gfs gft gga ggc ggg ggi ggn ggo ggr ggs ggt gia gic gif gig gii gin gio gir gis git gna gnc gnf gni gnn gno gnr gns gnt goa goc gof gog goi gon goo gor gos got gra grc grf grg gri grn gro grr grs grt gsa gsc gsf gsg gsi gsn gso gsr gss gst gta gtc gtf gtg gti gtn gto gtr gts gtt i-f ia- iaa iac iaf iag iai ian iao iar ias iat ica icc icf icg ici icn ico icr ics ict ifa ifc iff ifg ifi ifn ifo ifr ifs ift iga igc igf igg igi ign igo igr igs igt iia iic iif iii iin iio iir iis iit in- ina inc inf ing ini inn ino inr ins int io- ioa ioc iof iog ioi ion ioo ior ios iot ir- ira irc irf irg iri irn iro irr irs irt is- isa isc isf isg isi isn iso isr iss ist ita itc itf itg iti itn ito its itt n-i naa nac naf nag nai nan nao nar nas nat nca ncc ncf ncg nci ncn nco ncr ncs nct nfa nfc nff nfi nfn nfo nfr nfs nft nga ngc ngf ngg ngi ngn ngo ngs ngt nia nic nif nig nii nin nio nir nis nit nna nnc nnf nng nni nnn nno nns nnt no- noa noc nof nog noi non noo nor nos not nra nrc nrf nrg nri nrn nro nrr nrs nrt nsa nsc nsf nsg nsi nsn nso nsr nss nst nta ntc ntf ntg nti ntn nto ntr nts ntt o-i oaa oac oaf oag oai oan oao oar oas oat oc- oca occ ocf ocg oci ocn oco ocr ocs oct of- ofa ofc off ofg ofi ofn ofo ofr ofs oft oga ogc ogf ogg ogi ogn ogo ogs ogt oia oic oif oii oin oio oir ois oit on- ona onc onf ong oni onn ono onr ons ont oo- ooa ooc oof oog ooi oon ooo oor oos oot or- ora orc orf org ori orn oro orr ors ort os- osa osc osf osg osi osn oso osr oss ost ot- ota otc otf otg oti otn oto otr ots ott ra- raa rac raf rag rai ran rao rar ras rat rca rcc rcf rcg rci rcn rco rcr rcs rct rfa rfc rff rfg rfi rfn rfo rfr rfs rft rga rgc rgf rgg rgi rgn rgo rgr rgs rgt ria ric rif rig rii rin rio rir ris rit rna rnc rng rni rnn rno rnr rns rnt roa roc rof rog roi ron roo ror ros rot rra rrc rrf rrg rri rrn rrr rrs rrt rsa rsc rsf rsg rsi rsn rso rsr rss rst rta rtc rtf rtg rti rtn rto rtr rts rtt saa sac saf sag sai san sao sar sas sat sca scc scf scg sci scn sco scr scs sct sfa sfc sff sfg sfi sfn sfo sfr sfs sft sga sgc sgf sgg sgi sgn sgo sgr sgs sgt sia sic sif sig sii sin sio sir sis sit sna snc snf sng sni snn sno snr sns snt soa soc sof sog soi son soo sor sos sot sr- sra src srf srg sri srn sro srr srs srt ss- ssa ssc ssf ssg ssi ssn sso ssr sss sst sta stc stf stg sti stn sto str sts stt taa tac taf tag tai tan tao tar tas tat tca tcc tcf tcg tci tcn tco tcr tcs tct tfa tfc tff tfg tfi tfn tfo tfr tfs tft tga tgc tgf tgg tgi tgn tgo tgr tgs tgt tia tic tif tig tii tin tio tir tis tit tna tnc tnf tng tni tnn tno tnr tns tnt to- toa toc tof tog toi ton too tor tos tot tra trc trf trg tri trn tro trr trs trt