-er -ic a-a a-c a-i a-t aaa aac aae aag aai aan aao aap aar aas aat ac- aca acc ace acg aci acn aco acp acr acs act aea aec aee aeg aei aen aeo aep aer aes aet ag- aga agc age agg agi agn ago agp agr ags agt ai- aia aic aie aig aii ain aio aip air ais ait an- ana anc ane ang ani ann ano anp anr ans ant aoa aoc aoe aog aoi aon aoo aop aor aos aot ap- apa apc ape apg api apn apo app apr aps apt ar- ara arc are arg ari arn aro arp arr ars art as- asa asc ase asg asi asn aso asp asr ass ast at- ata atc ate atg ati atn ato atp atr ats att c-- caa cac cae cag cai can cao cap car cas cat cca ccc cce ccg cci ccn cco ccp ccr ccs cct ce- cea cec cee ceg cei cen ceo cep cer ces cet cga cgc cge cgg cgi cgn cgo cgp cgr cgs cgt ci- cia cic cie cig cii cin cio cip cir cis cit cn- cna cnc cne cng cni cnn cno cnp cnr cns cnt co- coa coc coe cog coi con coo cop cor cos cot cpa cpc cpe cpg cpi cpn cpo cpp cpr cps cpt cra crc cre crg cri crn cro crp crr crs crt csa csc cse csg csi csn cso csp csr css cst cta ctc cte ctg cti ctn cto ctp ctr cts ctt eaa eac eae eag eai ean eao eap ear eas eat ec- eca ecc ece ecg eci ecn eco ecr ecs ect eea eec eee eeg een eeo eep eer ees eet ega egc ege egg egi egn ego egp egr egs egt eia eic eie eig eii ein eio eip eir eis eit en- ena enc ene eng eni enn eno enp enr ens ent eo- eoa eoc eoe eog eoi eon eoo eop eor eos eot ep- epa epc epe epg epi epn epo epp epr eps ept era erc ere erg eri ern ero erp err ers ert es- esa esc ese esg esi esn eso esp esr ess est eta etc ete etg eti etn eto etp etr ets ett g-p gaa gac gae gag gai gan gao gap gar gas gat gca gcc gce gcg gci gcn gco gcp gcr gcs gct ge- gea gec gee geg gei gen geo gep ger ges get gga ggc ggg ggi ggn ggo ggp ggr ggs ggt gia gic gie gig gii gin gio gip gir gis git gna gnc gne gni gnn gno gnp gnr gns gnt goa goc goe gog goi gon goo gop gor gos got gpa gpc gpe gpg gpi gpn gpo gpp gpr gps gpt gra grc gre grg gri grn gro grp grr grs grt gsa gsc gse gsg gsi gsn gso gsp gsr gss gst gta gtc gte gtg gti gtn gto gtp gtr gts gtt ia- iaa iac iae iag iai ian iao iap iar ias iat ica icc ice icg ici icn ico icp icr ics ict ie- iea iec iee ieg iei ien iep ier ies iet iga igc ige igg igi ign igo igp igr igs igt iia iic iie iii iin iio iip iir iis iit in- ina inc ine ing ini inn ino inp inr ins int io- ioa ioc ioe iog ioi ion ioo iop ior ios iot ipa ipc ipe ipg ipi ipn ipo ipp ipr ips ipt ir- ira irc ire irg iri irn iro irp irr irs irt is- isa isc ise isg isi isn iso isp isr iss ist ita itc ite itg iti itn ito itp its itt n-i naa nac nae nag nai nan nao nap nar nas nat nca ncc nce ncg nci ncn nco ncp ncr ncs nct ne- nea nec nee neg nei nen neo nep ner nes net nga ngc nge ngg ngi ngn ngo ngp ngs ngt nia nic nie nig nii nin nio nip nir nis nit nna nnc nne nng nni nnn nno nnp nns nnt no- noa noc noe nog noi non noo nop nor nos not npa npc npe npg npi npn npo npp npr nps npt nra nrc nre nrg nri nrn nro nrp nrr nrs nrt nsa nsc nse nsg nsi nsn nso nsp nsr nss nst nta ntc nte ntg nti ntn nto ntp ntr nts ntt o-i oaa oac oae oag oai oan oao oap oar oas oat oc- oca occ ocg oci ocn oco ocp ocr ocs oct oea oec oee oeg oei oen oeo oep oer oes oet oga ogc oge ogg ogi ogn ogo ogp ogs ogt oia oic oie oii oin oio oip oir ois oit on- ona onc one ong oni onn ono onp onr ons ont oo- ooa ooc oog ooi oon ooo oop oor oos oot op- opa opc ope opg opi opn opo opp opr ops opt or- ora orc ore org ori orn oro orp orr ors ort os- osa osc ose osg osi osn oso osp osr oss ost ot- ota otc ote otg oti otn oto otp otr ots ott p-p paa pac pae pag pai pan pao pap par pas pat pca pcc pce pcg pci pcn pco pcp pcr pcs pct pea pec pee peg pei pen peo pep per pes pet pga pgc pge pgg pgi pgn pgo pgp pgr pgs pgt pia pic pie pig pii pin pio pip pir pis pit pn- pna pnc pne png pni pnn pno pnp pnr pns pnt poa poc poe pog poi pon poo pop por pos pot ppa ppc ppe ppg ppi ppn ppo ppp ppr pps ppt pra prc pre prg pri prn pro prp prr prs prt ps- psa psc pse psg psi psn pso psp psr pss pst pt- pta ptc pte ptg pti ptn pto ptp ptr