-ic a-a a-c a-i a-t aaa aac aag aai aan aao aas aat aau ac- aca acc acg aci acn aco acs act acu ag- aga agc agg agi agn ago ags agt agu ai- aia aic aig aii ain aio ais ait aiu an- ana anc ang ani ann ano ans ant anu aoa aoc aog aoi aon aoo aos aot aou as- asa asc asg asi asn aso ass ast asu at- ata atc atg ati atn ato ats att atu au- aua auc aug aui aun auo aus aut c-- caa cac cag cai can cao cas cat cau cca ccc ccg cci ccn cco ccs cct ccu cga cgc cgg cgi cgn cgo cgs cgt cgu ci- cia cic cig cii cin cio cis cit ciu cn- cna cnc cng cni cnn cno cns cnt cnu co- coa coc cog coi con coo cos cot cou csa csc csg csi csn cso css cst csu cta ctc ctg cti ctn cto cts ctt ctu cua cuc cug cui cun cuo cus cut cuu gaa gac gag gai gan gao gas gat gau gca gcc gcg gci gcn gco gcs gct gcu gga ggc ggg ggi ggn ggo ggs ggt ggu gia gic gig gii gin gio gis git giu gna gnc gni gnn gno gns gnt gnu goa goc gog goi gon goo gos got gou gsa gsc gsg gsi gsn gso gss gst gsu gta gtc gtg gti gtn gto gts gtt gtu gu- gua guc gug gui gun guo gus gut guu ia- iaa iac iag iai ian iao ias iat iau ica icc icg ici icn ico ics ict icu iga igc igg igi ign igo igs igt igu iia iic iii iin iio iis iit iiu in- ina inc ing ini inn ino ins int inu io- ioa ioc iog ioi ion ioo ios iot iou is- isa isc isg isi isn iso iss ist isu ita itc itg iti itn ito its itt itu iu- iua iuc iug iui ius iut n-i naa nac nag nai nan nao nas nat nau nca ncc ncg nci ncn nco ncs nct ncu nga ngc ngg ngi ngn ngo ngs ngt ngu nia nic nig nii nin nio nis nit niu nna nnc nng nni nnn nno nns nnt nnu no- noa noc nog noi non noo nos not nou nsa nsc nsg nsi nsn nso nss nst nsu nta ntc ntg nti ntn nto nts ntt ntu nua nuc nug nui nun nuo nus nut nuu o-i oaa oac oag oai oan oao oas oat oau oc- oca occ ocg oci ocn oco ocs oct ocu oga ogc ogg ogi ogn ogo ogs ogt oia oic oii oin oio ois oit oiu on- ona onc ong oni onn ono ons ont onu oo- ooa ooc oog ooi oon ooo oos oot os- osa osc osg osi osn oso oss ost osu ot- ota otc otg oti otn oto ots ott otu ou- oua ouc oui oun ouo ous out saa sac sag sai san sao sas sat sau sca scc scg sci scn sco scs sct scu sga sgc sgg sgi sgn sgo sgs sgt sgu sia sic sig sii sin sio sis sit siu sna snc sng sni snn sno sns snt snu soa soc sog soi son soo sos sot sou ss- ssa ssc ssg ssi ssn sso sss sst ssu sta stc stg sti stn sto sts stt stu sua suc sug sui sun suo sus sut suu taa tac tag tai tan tao tas tat tau tca tcc tcg tci tcn tco tcs tct tcu tga tgc tgg tgi tgn tgo tgs tgt tgu tia tic tig tii tin tio tis tit tiu tna tnc tng tni tnn tno tns tnt to- toa toc tog toi ton too tos tot tou tsa tsc tsg tsi tsn tso tss tst tsu tta ttc ttg tti ttn tto tts ttt ttu tua tuc tug tui tun tuo tus tut tuu ua- uaa uac uag uai uan uao uas uat uau uca ucc ucg uci ucn uco ucs uct ucu uga ugc ugg ugi ugn ugo ugs ugt ugu uia uic uig uii uin uio uis uit uiu un- una unc ung uni unn uno uns unt unu uoa uoc uog uon uoo uos uot usa usc usg usi usn uso uss ust usu uta utc uti utn uto uts utt utu uua uuc uug uun uus uut uuu