-ic a-a a-c a-i a-t aaa aac aae aag aai aak aan aao aas aat ac- aca acc ace acg aci ack acn aco acs act aea aec aee aeg aei aek aen aeo aes aet ag- aga agc age agg agi agk agn ago ags agt ai- aia aic aie aig aii aik ain aio ais ait aka akc ake akg aki akk akn ako aks an- ana anc ane ang ani ank ann ano ans ant aoa aoc aoe aog aoi aok aon aoo aos aot as- asa asc ase asg asi ask asn aso ass ast at- ata atc ate atg ati atn ato ats att c-- caa cac cae cag cai cak can cao cas cat cca ccc cce ccg cci cck ccn cco ccs cct ce- cea cec cee ceg cei cek cen ceo ces cet cga cgc cge cgg cgi cgn cgo cgs cgt ci- cia cic cie cig cii cik cin cio cis cit cka ckc cki cko cks ckt cn- cna cnc cne cng cni cnn cno cns cnt co- coa coc coe cog coi cok con coo cos cot csa csc cse csg csi csk csn cso css cst cta ctc cte ctg cti ctk ctn cto cts ctt eaa eac eae eag eai eak ean eao eas eat ec- eca ecc ece ecg eci eck ecn eco ecs ect eea eec eee eeg eek een eeo ees eet ega egc ege egg egi egn ego egs egt eia eic eie eig eii eik ein eio eis eit eka ekc eke ekg eki eko eks ekt en- ena enc ene eng eni enk enn eno ens ent eo- eoa eoc eoe eog eoi eok eon eoo eos eot es- esa esc ese esg esi esk esn eso ess est eta etc ete etg eti etk etn eto ets ett gaa gac gae gag gai gak gan gao gas gat gca gcc gce gcg gci gck gcn gco gcs gct ge- gea gec gee geg gei gek gen geo ges get gga ggc ggg ggi ggn ggo ggs ggt gia gic gie gig gii gik gin gio gis git gka gkn gko gks gkt gna gnc gne gni gnn gno gns gnt goa goc goe gog goi gok gon goo gos got gsa gsc gse gsg gsi gsk gsn gso gss gst gta gtc gte gtg gti gtk gtn gto gts gtt ia- iaa iac iae iag iai ian iao ias iat ica icc ice icg ici ick icn ico ics ict ie- iea iec iee ieg iei iek ien ies iet iga igc ige igg igi igk ign igo igs igt iia iic iie iii iin iio iis iit ika ikc ike iki ikk iko iks ikt in- ina inc ine ing ini ink inn ino ins int io- ioa ioc ioe iog ioi ion ioo ios iot is- isa isc ise isg isi isk isn iso iss ist ita itc ite itg iti itk itn ito its itt k-t ka- kaa kac kae kag kai kak kan kao kas kat kca kcc kce kcg kci kck kcn kcs kct ke- kea kec kee keg kei kek ken keo kes ket kga kgc kgi kgo kgs kia kic kie kig kii kik kin kio kis kit kkc kke kki kkk kkn kks kkt kn- kna knc kne kng kni knk knn kno knt koa koc koe kog koi kok kon koo kos kot ksa ksc kse ksg ksi ksk ksn kso kss kst kta ktc kte ktg ktk ktn kto kts ktt n-i naa nac nae nag nai nak nan nao nas nat nca ncc nce ncg nci nck ncn nco ncs nct ne- nea nec nee neg nei nek nen neo nes net nga ngc nge ngg ngi ngk ngn ngo ngs ngt nia nic nie nig nii nik nin nio nis nit nka nkc nke nki nkk nkn nko nks nkt nna nnc nne nng nni nnk nnn nno nns nnt no- noa noc noe nog noi nok non noo nos not nsa nsc nse nsg nsi nsk nsn nso nss nst nta ntc nte ntg nti ntk ntn nto nts ntt o-i oaa oac oae oag oai oak oan oao oas oat oc- oca occ ocg oci ock ocn oco ocs oct oea oec oee oeg oei oen oeo oes oet oga ogc oge ogg ogi ogn ogo ogs ogt oia oic oie oii oik oin oio ois oit oka okc oke okg oki okk oko oks on- ona onc one ong oni onk onn ono ons ont oo- ooa ooc oog ooi ook oon ooo oos oot os- osa osc ose osg osi osk osn oso oss ost ot- ota otc ote otg oti otk otn oto ots ott saa sac sae sag sai sak san sao sas sat sca scc sce scg sci sck scn sco scs sct se- sea sec see seg sei sek sen seo ses set sga sgc sge sgg sgi sgk sgn sgo sgs sgt sia sic sie sig sii sik sin sio sis sit sk- ska skc ske skg ski skk sko sks skt sna snc sne sng sni snk snn sno sns snt soa soc soe sog soi sok son soo sos sot ss- ssa ssc sse ssg ssi ssk ssn sso sss sst sta stc ste stg sti stk stn sto sts stt taa tac tae tag tai tak tan tao tas tat tca tcc tce tcg tci tck tcn tco tcs tct te- tea tec tee teg tei tek ten teo tes tet tga tgc tge tgg tgi tgk tgn tgo tgs tgt tia tic tie tig tii tik tin tio tis tit tka tkc tke tkg tkk tko tks tkt tna tnc tne tng tni tnk tnn tno tns tnt to- toa toc toe tog toi tok ton too tos tot tsa tsc tse tsg tsi tsk tsn tso tss tst tta ttc tte ttg tti ttk ttn tto tts ttt