-ic a-a a-c a-i a-t aaa aac aaf aag aai aan aar aas aat aau ac- aca acc acf acg aci acn acr acs act acu af- afa afc aff afg afi afn afr afs aft afu ag- aga agc agf agg agi agn agr ags agt agu ai- aia aic aif aig aii ain air ais ait aiu an- ana anc anf ang ani ann anr ans ant anu ar- ara arc arf arg ari arn arr ars art aru as- asa asc asf asg asi asn asr ass ast asu at- ata atc atf atg ati atn atr ats att atu au- aua auc auf aug aui aun aur aus aut c-- caa cac caf cag cai can car cas cat cau cca ccc ccf ccg cci ccn ccr ccs cct ccu cfa cfc cff cfg cfi cfn cfr cfs cft cfu cga cgc cgg cgi cgn cgr cgs cgt cgu ci- cia cic cif cig cii cin cir cis cit ciu cn- cna cnc cnf cng cni cnn cnr cns cnt cnu cra crc crf crg cri crn crr crs crt cru csa csc csf csg csi csn csr css cst csu cta ctc ctf ctg cti ctn ctr cts ctt ctu cua cuc cuf cug cui cun cur cus cut cuu faa fac faf fag fai fan far fas fat fau fca fcc fcf fcg fci fcn fcr fcs fct fcu ffa ffc fff ffg ffi ffn ffr ffs fft ffu fga fgc fgf fgg fgi fgn fgr fgs fgt fia fic fif fig fii fin fir fis fit fiu fna fnc fnf fng fni fnn fnr fns fnt fnu fra frc frf frg fri frn frr frs frt fru fsa fsc fsf fsg fsi fsn fsr fss fst fsu fta ftc ftf ftg fti ftn ftr fts ftt ftu fua fuf fug fui fun fur fus fut fuu gaa gac gaf gag gai gan gar gas gat gau gca gcc gcf gcg gci gcn gcr gcs gct gcu gfa gfc gff gfi gfr gfs gft gga ggc ggg ggi ggn ggr ggs ggt ggu gia gic gif gig gii gin gir gis git giu gna gnc gnf gni gnn gnr gns gnt gnu gra grc grf grg gri grn grr grs grt gru gsa gsc gsf gsg gsi gsn gsr gss gst gsu gta gtc gtf gtg gti gtn gtr gts gtt gtu gu- gua guc guf gug gui gun gur gus gut guu i-f ia- iaa iac iaf iag iai ian iar ias iat iau ica icc icf icg ici icn icr ics ict icu ifa ifc iff ifg ifi ifn ifr ifs ift ifu iga igc igf igg igi ign igr igs igt igu iia iic iif iii iin iir iis iit iiu in- ina inc inf ing ini inn inr ins int inu ir- ira irc irf irg iri irn irr irs irt iru is- isa isc isf isg isi isn isr iss ist isu ita itc itf itg iti itn its itt itu iu- iua iuc iug iui iur ius iut n-i naa nac naf nag nai nan nar nas nat nau nca ncc ncf ncg nci ncn ncr ncs nct ncu nfa nfc nff nfi nfn nfr nfs nft nfu nga ngc ngf ngg ngi ngn ngs ngt ngu nia nic nif nig nii nin nir nis nit niu nna nnc nnf nng nni nnn nns nnt nnu nra nrc nrf nrg nri nrn nrr nrs nrt nru nsa nsc nsf nsg nsi nsn nsr nss nst nsu nta ntc ntf ntg nti ntn ntr nts ntt ntu nua nuc nug nui nun nur nus nut nuu ra- raa rac raf rag rai ran rar ras rat rau rca rcc rcf rcg rci rcn rcr rcs rct rcu rfa rfc rff rfg rfi rfn rfr rfs rft rfu rga rgc rgf rgg rgi rgn rgr rgs rgt ria ric rif rig rii rin rir ris rit rna rnc rng rni rnn rnr rns rnt rnu rra rrc rrf rrg rri rrn rrr rrs rrt rru rsa rsc rsf rsg rsi rsn rsr rss rst rsu rta rtc rtf rtg rti rtn rtr rts rtt rtu rua ruc ruf rug rui run rur rus rut ruu saa sac saf sag sai san sar sas sat sau sca scc scf scg sci scn scr scs sct scu sfa sfc sff sfg sfi sfn sfr sfs sft sfu sga sgc sgf sgg sgi sgn sgr sgs sgt sgu sia sic sif sig sii sin sir sis sit siu sna snc snf sng sni snn snr sns snt snu sr- sra src srf srg sri srn srr srs srt ss- ssa ssc ssf ssg ssi ssn ssr sss sst ssu sta stc stf stg sti stn str sts stt stu sua suc suf sug sui sun sur sus sut suu taa tac taf tag tai tan tar tas tat tau tca tcc tcf tcg tci tcn tcr tcs tct tcu tfa tfc tff tfg tfi tfn tfr tfs tft tfu tga tgc tgf tgg tgi tgn tgr tgs tgt tgu tia tic tif tig tii tin tir tis tit tiu tna tnc tnf tng tni tnn tnr tns tnt tra trc trf trg tri trn trr trs trt tru tsa tsc tsf tsg tsi tsn tsr tss tst tsu tta ttc ttf ttg tti ttn ttr tts ttt ttu tua tuc tuf tug tui tun tur tus tut tuu ua- uaa uac uaf uag uai uan uar uas uat uau uca ucc ucf ucg uci ucn ucr ucs uct ucu ufa ufc uff ufg ufi ufn ufr ufs uft ufu uga ugc ugf ugg ugi ugn ugr ugs ugt ugu uia uic uif uig uii uin uir uis uit uiu un- una unc unf ung uni unn unr uns unt unu ur- ura urc urf urg uri urn urr urs urt uru usa usc usf usg usi usn usr uss ust usu uta utc utf uti utn utr uts utt utu uua uuc uug