-ic a-a a-c a-i a-t aaa aac aag aai aan aao aas aat aau aax ac- aca acc acg aci acn aco acs act acu acx ag- aga agc agg agi agn ago ags agt agu agx ai- aia aic aig aii ain aio ais ait aiu aix an- ana anc ang ani ann ano ans ant anu anx aoa aoc aog aoi aon aoo aos aot aou aox as- asa asc asg asi asn aso ass ast asu asx at- ata atc atg ati atn ato ats att atu atx au- aua auc aug aui aun auo aus aut aux ax- axa axi axn axo axs axt axx c-- caa cac cag cai can cao cas cat cau cax cca ccc ccg cci ccn cco ccs cct ccu ccx cga cgc cgg cgi cgn cgo cgs cgt cgu ci- cia cic cig cii cin cio cis cit ciu cix cn- cna cnc cng cni cnn cno cns cnt cnu cnx co- coa coc cog coi con coo cos cot cou cox csa csc csg csi csn cso css cst csu csx cta ctc ctg cti ctn cto cts ctt ctu ctx cua cuc cug cui cun cuo cus cut cuu cxc cxi cxo cxs cxt cxx 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 gox gsa gsc gsg gsi gsn gso gss gst gsu gsx gta gtc gtg gti gtn gto gts gtt gtu gtx gu- gua guc gug gui gun guo gus gut guu gxa gxs gxt 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 iix in- ina inc ing ini inn ino ins int inu inx 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 itx iu- iua iuc iug iui ius iut ixc ixi ixn n-i naa nac nag nai nan nao nas nat nau nax nca ncc ncg nci ncn nco ncs nct ncu ncx nga ngc ngg ngi ngn ngo ngs ngt ngu nia nic nig nii nin nio nis nit niu nix nna nnc nng nni nnn nno nns nnt nnu no- noa noc nog noi non noo nos not nou nox nsa nsc nsg nsi nsn nso nss nst nsu nsx nta ntc ntg nti ntn nto nts ntt ntu ntx nua nuc nug nui nun nuo nus nut nuu nux nxc nxt o-i oaa oac oag oai oan oao oas oat oau oax oc- oca occ ocg oci ocn oco ocs oct ocu ocx oga ogc ogg ogi ogn ogo ogs ogt ogx oia oic oii oin oio ois oit oiu on- ona onc ong oni onn ono ons ont onu onx oo- ooa ooc oog ooi oon ooo oos oot oox os- osa osc osg osi osn oso oss ost osu osx ot- ota otc otg oti otn oto ots ott otu ou- oua ouc oui oun ouo ous out ox- oxa oxc oxi oxn oxo oxt oxx saa sac sag sai san sao sas sat sau sax sca scc scg sci scn sco scs sct scu scx sga sgc sgg sgi sgn sgo sgs sgt sgu sgx sia sic sig sii sin sio sis sit siu six sna snc sng sni snn sno sns snt snu soa soc sog soi son soo sos sot sou sox ss- ssa ssc ssg ssi ssn sso sss sst ssu ssx sta stc stg sti stn sto sts stt stu stx sua suc sug sui sun suo sus sut suu sux sxc sxi sxn sxs sxt sxu t-x taa tac tag tai tan tao tas tat tau tax tca tcc tcg tci tcn tco tcs tct tcu tcx tga tgc tgg tgi tgn tgo tgs tgt tgu tia tic tig tii tin tio tis tit tiu tix tna tnc tng tni tnn tno tns tnt tnx to- toa toc tog toi ton too tos tot tou tox tsa tsc tsg tsi tsn tso tss tst tsu tsx tta ttc ttg tti ttn tto tts ttt ttu ttx tua tuc tug tui tun tuo tus tut tuu tux txi txn txs txt txu 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 ugx uia uic uig uii uin uio uis uit uiu un- una unc ung uni unn uno uns unt unu unx uoa uoc uog uon uoo uos uot uox usa usc usg usi usn uso uss ust usu usx uta utc uti utn uto uts utt utu utx uua uuc uug uun uus uut uuu uxc uxo uxt uxu xaa xac xag xan xas xat xau xci xcx xgi xia xic xii xin xio xis xit xiu xix xna xnc xno xns xnu xoa xoc xog xoi xon xoo xos xot xox xsa xsc xsi xss xst xtc xti xts xtx xui xun xus xxi xxo xxx