-ic a-a a-c a-i a-t a-z aaa aac aag aai aan aar aas aat aau aaz ac- aca acc acg aci acn acr acs act acu acz ag- aga agc agg agi agn agr ags agt agu agz ai- aia aic aig aii ain air ais ait aiu aiz an- ana anc ang ani ann anr ans ant anu anz ar- ara arc arg ari arn arr ars art aru arz as- asa asc asg asi asn asr ass ast asu asz at- ata atc atg ati atn atr ats att atu atz au- aua auc aug aui aun aur aus aut auz az- aza azg azi azn azs azt azu azz c-- caa cac cag cai can car cas cat cau caz cca ccc ccg cci ccn ccr ccs cct ccu ccz cga cgc cgg cgi cgn cgr cgs cgt cgu ci- cia cic cig cii cin cir cis cit ciu cn- cna cnc cng cni cnn cnr cns cnt cnu cra crc crg cri crn crr crs crt cru crz csa csc csg csi csn csr css cst csu csz cta ctc ctg cti ctn ctr cts ctt ctu ctz cua cuc cug cui cun cur cus cut cuu cuz cz- czc czt gaa gac gag gai gan gar gas gat gau gaz gca gcc gcg gci gcn gcr gcs gct gcu gga ggc ggg ggi ggn ggr ggs ggt ggu ggz gia gic gig gii gin gir gis git giu giz gna gnc gni gnn gnr gns gnt gnu gra grc grg gri grn grr grs grt gru gsa gsc gsg gsi gsn gsr gss gst gsu gta gtc gtg gti gtn gtr gts gtt gtu gu- gua guc gug gui gun gur gus gut guu guz gza gzr gzu ia- iaa iac iag iai ian iar ias iat iau iaz ica icc icg ici icn icr ics ict icu icz iga igc igg igi ign igr igs igt igu iia iic iii iin iir iis iit iiu in- ina inc ing ini inn inr ins int inu ir- ira irc irg iri irn irr irs irt iru is- isa isc isg isi isn isr iss ist isu ita itc itg iti itn its itt itu itz iu- iua iuc iug iui iur ius iut iuz iza izi izu izz n-i naa nac nag nai nan nar nas nat nau naz nca ncc ncg nci ncn ncr ncs nct ncu nga ngc ngg ngi ngn ngs ngt ngu nia nic nig nii nin nir nis nit niu niz nna nnc nng nni nnn nns nnt nnu nnz nra nrc nrg nri nrn nrr nrs nrt nru nrz nsa nsc nsg nsi nsn nsr nss nst nsu nsz nta ntc ntg nti ntn ntr nts ntt ntu ntz nua nuc nug nui nun nur nus nut nuu nzg nzi nzs nzz ra- raa rac rag rai ran rar ras rat rau raz rca rcc rcg rci rcn rcr rcs rct rcu rga rgc rgg rgi rgn rgr rgs rgt ria ric rig rii rin rir ris rit riz rna rnc rng rni rnn rnr rns rnt rnu rnz rra rrc rrg rri rrn rrr rrs rrt rru rsa rsc rsg rsi rsn rsr rss rst rsu rta rtc rtg rti rtn rtr rts rtt rtu rtz rua ruc rug rui run rur rus rut ruu ruz rza saa sac sag sai san sar sas sat sau saz sca scc scg sci scn scr scs sct scu sga sgc sgg sgi sgn sgr sgs sgt sgu sia sic sig sii sin sir sis sit siu sna snc sng sni snn snr sns snt snu sr- sra src srg sri srn srr srs srt ss- ssa ssc ssg ssi ssn ssr sss sst ssu ssz sta stc stg sti stn str sts stt stu stz sua suc sug sui sun sur sus sut suu suz sza szi szr szu taa tac tag tai tan tar tas tat tau taz tca tcc tcg tci tcn tcr tcs tct tcu tga tgc tgg tgi tgn tgr tgs tgt tgu tgz tia tic tig tii tin tir tis tit tiu tiz tna tnc tng tni tnn tnr tns tnt tnz tra trc trg tri trn trr trs trt tru trz tsa tsc tsg tsi tsn tsr tss tst tsu tta ttc ttg tti ttn ttr tts ttt ttu tua tuc tug tui tun tur tus tut tuu tuz tza tzs tzu ua- uaa uac uag uai uan uar uas uat uau uaz uca ucc ucg uci ucn ucr ucs uct ucu uga ugc ugg ugi ugn ugr ugs ugt ugu uia uic uig uii uin uir uis uit uiu un- una unc ung uni unn unr uns unt unu ur- ura urc urg uri urn urr urs urt uru urz usa usc usg usi usn usr uss ust usu usz uta utc uti utn utr uts utt utu utz uua uuc uug uun uur uus uut uuu uza uzi uzu z-g zaa zac zag zai zan zar zas zat zaz zcs zgg zgi zgs zia zig zin zir zis zit ziz znc znn zns zrs zsa zsg zsi zst zsu zsz zta ztr zuc zug zui zun zur zus zut zuz zzr zzs zzt zzz