-ic a-a a-c a-i a-t aaa aac aag aai aak aan aao aas aat ac- aca acc acg aci ack acn aco acs act ag- aga agc agg agi agk agn ago ags agt ai- aia aic aig aii aik ain aio ais ait aka akc akg aki akk akn ako aks an- ana anc ang ani ank ann ano ans ant aoa aoc aog aoi aok aon aoo aos aot as- asa asc asg asi ask asn aso ass ast at- ata atc atg ati atn ato ats att c-- caa cac cag cai cak can cao cas cat cca ccc ccg cci cck ccn cco ccs cct cga cgc cgg cgi cgn cgo cgs cgt ci- cia cic cig cii cik cin cio cis cit cka ckc cki cko cks ckt cn- cna cnc cng cni cnn cno cns cnt co- coa coc cog coi cok con coo cos cot csa csc csg csi csk csn cso css cst cta ctc ctg cti ctk ctn cto cts ctt gaa gac gag gai gak gan gao gas gat gca gcc gcg gci gck gcn gco gcs gct gga ggc ggg ggi ggn ggo ggs ggt gia gic gig gii gik gin gio gis git gka gkn gko gks gkt gna gnc gni gnn gno gns gnt goa goc gog goi gok gon goo gos got gsa gsc gsg gsi gsk gsn gso gss gst gta gtc gtg gti gtk gtn gto gts gtt ia- iaa iac iag iai ian iao ias iat ica icc icg ici ick icn ico ics ict iga igc igg igi igk ign igo igs igt iia iic iii iin iio iis iit ika ikc iki ikk iko iks ikt in- ina inc ing ini ink inn ino ins int io- ioa ioc iog ioi ion ioo ios iot is- isa isc isg isi isk isn iso iss ist ita itc itg iti itk itn ito its itt k-t ka- kaa kac kag kai kak kan kao kas kat kca kcc kcg kci kck kcn kcs kct kga kgc kgi kgo kgs kia kic kig kii kik kin kio kis kit kkc kki kkk kkn kks kkt kn- kna knc kng kni knk knn kno knt koa koc kog koi kok kon koo kos kot ksa ksc ksg ksi ksk ksn kso kss kst kta ktc ktg ktk ktn kto kts ktt n-i naa nac nag nai nak nan nao nas nat nca ncc ncg nci nck ncn nco ncs nct nga ngc ngg ngi ngk ngn ngo ngs ngt nia nic nig nii nik nin nio nis nit nka nkc nki nkk nkn nko nks nkt nna nnc nng nni nnk nnn nno nns nnt no- noa noc nog noi nok non noo nos not nsa nsc nsg nsi nsk nsn nso nss nst nta ntc ntg nti ntk ntn nto nts ntt o-i oaa oac oag oai oak oan oao oas oat oc- oca occ ocg oci ock ocn oco ocs oct oga ogc ogg ogi ogn ogo ogs ogt oia oic oii oik oin oio ois oit oka okc okg oki okk oko oks on- ona onc ong oni onk onn ono ons ont oo- ooa ooc oog ooi ook oon ooo oos oot os- osa osc osg osi osk osn oso oss ost ot- ota otc otg oti otk otn oto ots ott saa sac sag sai sak san sao sas sat sca scc scg sci sck scn sco scs sct sga sgc sgg sgi sgk sgn sgo sgs sgt sia sic sig sii sik sin sio sis sit sk- ska skc skg ski skk sko sks skt sna snc sng sni snk snn sno sns snt soa soc sog soi sok son soo sos sot ss- ssa ssc ssg ssi ssk ssn sso sss sst sta stc stg sti stk stn sto sts stt taa tac tag tai tak tan tao tas tat tca tcc tcg tci tck tcn tco tcs tct tga tgc tgg tgi tgk tgn tgo tgs tgt tia tic tig tii tik tin tio tis tit tka tkc tkg tkk tko tks tkt tna tnc tng tni tnk tnn tno tns tnt to- toa toc tog toi tok ton too tos tot tsa tsc tsg tsi tsk tsn tso tss tst tta ttc ttg tti ttk ttn tto tts ttt