-ic a-a a-c a-i a-t aaa aac aag aai aan aao aar aas aat aau ac- aca acc acg aci acn aco acr acs act acu ag- aga agc agg agi agn ago agr ags agt agu ai- aia aic aig aii ain aio air ais ait aiu an- ana anc ang ani ann ano anr ans ant anu aoa aoc aog aoi aon aoo aor aos aot aou ar- ara arc arg ari arn aro arr ars art aru as- asa asc asg asi asn aso asr ass ast asu at- ata atc atg ati atn ato atr ats att atu au- aua auc aug aui aun auo aur aus aut c-- caa cac cag cai can cao car cas cat cau cca ccc ccg cci ccn cco ccr ccs cct ccu cga cgc cgg cgi cgn cgo cgr cgs cgt cgu ci- cia cic cig cii cin cio cir cis cit ciu cn- cna cnc cng cni cnn cno cnr cns cnt cnu co- coa coc cog coi con coo cor cos cot cou cra crc crg cri crn cro crr crs crt cru csa csc csg csi csn cso csr css cst csu cta ctc ctg cti ctn cto ctr cts ctt ctu cua cuc cug cui cun cuo cur cus cut cuu gaa gac gag gai gan gao gar gas gat gau gca gcc gcg gci gcn gco gcr gcs gct gcu gga ggc ggg ggi ggn ggo ggr ggs ggt ggu gia gic gig gii gin gio gir gis git giu gna gnc gni gnn gno gnr gns gnt gnu goa goc gog goi gon goo gor gos got gou gra grc grg gri grn gro grr grs grt gru gsa gsc gsg gsi gsn gso gsr gss gst gsu gta gtc gtg gti gtn gto gtr gts gtt gtu gu- gua guc gug gui gun guo gur gus gut guu ia- iaa iac iag iai ian iao iar ias iat iau ica icc icg ici icn ico icr ics ict icu iga igc igg igi ign igo igr igs igt igu iia iic iii iin iio iir iis iit iiu in- ina inc ing ini inn ino inr ins int inu io- ioa ioc iog ioi ion ioo ior ios iot iou ir- ira irc irg iri irn iro irr irs irt iru is- isa isc isg isi isn iso isr iss ist isu ita itc itg iti itn ito its itt itu iu- iua iuc iug iui iur ius iut n-i naa nac nag nai nan nao nar nas nat nau nca ncc ncg nci ncn nco ncr ncs nct ncu nga ngc ngg ngi ngn ngo ngs ngt ngu nia nic nig nii nin nio nir nis nit niu nna nnc nng nni nnn nno nns nnt nnu no- noa noc nog noi non noo nor nos not nou nra nrc nrg nri nrn nro nrr nrs nrt nru nsa nsc nsg nsi nsn nso nsr nss nst nsu nta ntc ntg nti ntn nto ntr nts ntt ntu nua nuc nug nui nun nuo nur nus nut nuu o-i oaa oac oag oai oan oao oar oas oat oau oc- oca occ ocg oci ocn oco ocr ocs oct ocu oga ogc ogg ogi ogn ogo ogs ogt oia oic oii oin oio oir ois oit oiu on- ona onc ong oni onn ono onr ons ont onu oo- ooa ooc oog ooi oon ooo oor oos oot or- ora orc org ori orn oro orr ors ort oru os- osa osc osg osi osn oso osr oss ost osu ot- ota otc otg oti otn oto otr ots ott otu ou- oua ouc oui oun ouo our ous out ra- raa rac rag rai ran rao rar ras rat rau rca rcc rcg rci rcn rco rcr rcs rct rcu rga rgc rgg rgi rgn rgo rgr rgs rgt ria ric rig rii rin rio rir ris rit rna rnc rng rni rnn rno rnr rns rnt rnu roa roc rog roi ron roo ror ros rot rou rra rrc rrg rri rrn rrr rrs rrt rru rsa rsc rsg rsi rsn rso rsr rss rst rsu rta rtc rtg rti rtn rto rtr rts rtt rtu rua ruc rug rui run ruo rur rus rut ruu saa sac sag sai san sao sar sas sat sau sca scc scg sci scn sco scr scs sct scu sga sgc sgg sgi sgn sgo sgr sgs sgt sgu sia sic sig sii sin sio sir sis sit siu sna snc sng sni snn sno snr sns snt snu soa soc sog soi son soo sor sos sot sou sr- sra src srg sri srn sro srr srs srt ss- ssa ssc ssg ssi ssn sso ssr sss sst ssu sta stc stg sti stn sto str sts stt stu sua suc sug sui sun suo sur sus sut suu taa tac tag tai tan tao tar tas tat tau tca tcc tcg tci tcn tco tcr tcs tct tcu tga tgc tgg tgi tgn tgo tgr tgs tgt tgu tia tic tig tii tin tio tir tis tit tiu tna tnc tng tni tnn tno tnr tns tnt to- toa toc tog toi ton too tor tos tot tou tra trc trg tri trn tro trr trs trt tru tsa tsc tsg tsi tsn tso tsr tss tst tsu tta ttc ttg tti ttn tto ttr tts ttt ttu tua tuc tug tui tun tuo tur tus tut tuu ua- uaa uac uag uai uan uao uar uas uat uau uca ucc ucg uci ucn uco ucr ucs uct ucu uga ugc ugg ugi ugn ugo ugr ugs ugt ugu uia uic uig uii uin uio uir uis uit uiu un- una unc ung uni unn uno unr uns unt unu uoa uoc uog uon uoo uor uos uot ur- ura urc urg uri urn uro urr urs urt uru usa usc usg usi usn uso usr uss ust usu uta