-ic a-a a-c a-i a-t aaa aac aaf aag aai aan aao aap aat ac- aca acc acf acg aci acn aco acp act af- afa afc aff afg afi afn afo afp aft ag- aga agc agf agg agi agn ago agp agt ai- aia aic aif aig aii ain aio aip ait an- ana anc anf ang ani ann ano anp ant aoa aoc aof aog aoi aon aoo aop aot ap- apa apc apf apg api apn apo app apt at- ata atc atf atg ati atn ato atp att c-- caa cac caf cag cai can cao cap cat cca ccc ccf ccg cci ccn cco ccp cct cfa cfc cff cfg cfi cfn cfo cfp cft cga cgc cgg cgi cgn cgo cgp cgt ci- cia cic cif cig cii cin cio cip cit cn- cna cnc cnf cng cni cnn cno cnp cnt co- coa coc cof cog coi con coo cop cot cpa cpc cpf cpg cpi cpn cpo cpp cpt cta ctc ctf ctg cti ctn cto ctp ctt faa fac faf fag fai fan fao fap fat fca fcc fcf fcg fci fcn fco fcp fct ffa ffc fff ffg ffi ffn ffo ffp fft fga fgc fgf fgg fgi fgn fgp fgt fia fic fif fig fii fin fip fit fna fnc fnf fng fni fnn fnp fnt foa foc fof fog foi fon foo fop fot fpa fpc fpg fpi fpn fpo fpp fpt fta ftc ftf ftg fti ftn fto ftp ftt g-p gaa gac gaf gag gai gan gao gap gat gca gcc gcf gcg gci gcn gco gcp gct gfa gfc gff gfi gfo gfp gft gga ggc ggg ggi ggn ggo ggp ggt gia gic gif gig gii gin gio gip git gna gnc gnf gni gnn gno gnp gnt goa goc gof gog goi gon goo gop got gpa gpc gpf gpg gpi gpn gpo gpp gpt gta gtc gtf gtg gti gtn gto gtp gtt i-f ia- iaa iac iaf iag iai ian iao iap iat ica icc icf icg ici icn ico icp ict ifa ifc iff ifg ifi ifn ifo ifp ift iga igc igf igg igi ign igo igp igt iia iic iif iii iin iio iip iit in- ina inc inf ing ini inn ino inp int io- ioa ioc iof iog ioi ion ioo iop iot ipa ipc ipf ipg ipi ipn ipo ipp ipt ita itc itf itg iti itn ito itp itt n-i naa nac naf nag nai nan nao nap nat nca ncc ncf ncg nci ncn nco ncp nct nfa nfc nff nfi nfn nfo nfp nft nga ngc ngf ngg ngi ngn ngo ngp ngt nia nic nif nig nii nin nio nip nit nna nnc nnf nng nni nnn nno nnp nnt no- noa noc nof nog noi non noo nop not npa npc npf npg npi npn npo npp npt nta ntc ntf ntg nti ntn nto ntp ntt o-i oaa oac oaf oag oai oan oao oap oat oc- oca occ ocf ocg oci ocn oco ocp oct of- ofa ofc off ofg ofi ofn ofo ofp oft oga ogc ogf ogg ogi ogn ogo ogp ogt oia oic oif oii oin oio oip oit on- ona onc onf ong oni onn ono onp ont oo- ooa ooc oof oog ooi oon ooo oop oot op- opa opc opf opg opi opn opo opp opt ot- ota otc otf otg oti otn oto otp ott p-p paa pac paf pag pai pan pao pap pat pca pcc pcf pcg pci pcn pco pcp pct pfa pfc pff pfg pfi pfn pfo pfp pft pga pgc pgf pgg pgi pgn pgo pgp pgt pia pic pif pig pii pin pio pip pit pn- pna pnc pnf png pni pnn pno pnp pnt poa poc pof pog poi pon poo pop pot ppa ppc ppf ppg ppi ppn ppo ppp ppt pt- pta ptc ptf ptg pti ptn pto ptp ptt taa tac taf tag tai tan tao tap tat tca tcc tcf tcg tci tcn tco tcp tct tfa tfc tff tfg tfi tfn tfo tfp tft tga tgc tgf tgg tgi tgn tgo tgp tgt tia tic tif tig tii tin tio tip tit tna tnc tnf tng tni tnn tno tnp tnt to- toa toc tof tog toi ton too top tot tpa tpc tpf tpg tpi tpn tpo tpp tpt tta ttc ttf ttg tti ttn tto ttp ttt