isu ita itc itd ite itf itg iti itn its itt itu iu- iua iuc iud iue iug iui iur ius iut n-i naa nac nad nae naf nag nai nan nar nas nat nau nca ncc ncd nce ncf ncg nci ncn ncr ncs nct ncu nda ndc ndd nde ndf ndg ndi ndn ndr nds ndt ndu ne- nea nec ned nee nef neg nei nen ner nes net neu nfa nfc nfd nfe nff nfi nfn nfr nfs nft nfu nga ngc ngd nge ngf ngg ngi ngn ngs ngt ngu nia nic nid nie nif nig nii nin nir nis nit niu nna nnc nne nnf nng nni nnn nns nnt nnu nra nrc nrd nre nrf nrg nri nrn nrr nrs nrt nru nsa nsc nsd nse nsf nsg nsi nsn nsr nss nst nsu nta ntc ntd nte ntf ntg nti ntn ntr nts ntt ntu nua nuc nud nue nug nui nun nur nus nut nuu ra- raa rac rad rae raf rag rai ran rar ras rat rau rca rcc rcd rce rcf rcg rci rcn rcr rcs rct rcu rda rdc rdd rde rdf rdg rdi rdn rdr rds rdt rdu re- rea rec red ree ref reg rei ren rer res ret reu rfa rfc rfd rfe rff rfg rfi rfn rfr rfs rft rfu rga rgc rgd rge rgf rgg rgi rgn rgr rgs rgt ria ric rid rie rif rig rii rin rir ris rit rna rnc rnd rng rni rnn rnr rns rnt rnu rra rrc rrd rrf rrg rri rrn rrr rrs rrt rru rsa rsc rsd rse rsf rsg rsi rsn rsr rss rst rsu rta rtc rtd rte rtf rtg rti rtn rtr rts rtt rtu rua ruc rud rue ruf rug rui run rur rus rut ruu saa sac sad sae saf sag sai san sar sas sat sau sca scc scd sce scf scg sci scn scr scs sct scu sda sdc sdd sde sdf sdg sdi sdn sdr sds sdt sdu se- sea sec sed see sef seg sei sen ser ses set seu sfa sfc sfd sfe sff sfg sfi sfn sfr sfs sft sfu sga sgc sgd sge sgf sgg sgi sgn sgr sgs sgt sgu sia sic sid sie sif sig sii sin sir sis sit siu sna snc snd sne snf sng sni snn snr sns snt snu sr- sra src srd sre srf srg sri srn srr srs srt ss- ssa ssc ssd sse ssf ssg ssi ssn ssr sss sst ssu sta stc std ste stf stg sti stn str sts stt stu sua suc sud sue suf sug sui sun sur sus sut suu taa tac tad tae taf tag tai tan tar tas tat tau tca tcc tcd tce tcf tcg tci tcn tcr tcs tct tcu tda tdc tdd tde tdf tdg tdi tdn tdr tds tdt tdu te- tea tec ted tee tef teg tei ten ter tes tet teu tfa tfc tfd tfe tff tfg tfi tfn tfr tfs tft tfu tga tgc tge tgf tgg tgi tgn tgr tgs tgt tgu tia tic tid tie tif tig tii tin tir tis tit tiu tna tnc tnd tne tnf tng tni tnn tnr tns tnt tra trc trd tre trf trg tri trn trr trs trt tru tsa tsc tsd tse tsf tsg tsi tsn tsr tss tst tsu tta ttc ttd tte ttf ttg tti ttn ttr tts ttt ttu tua tuc tud tue tuf tug tui tun tur tus tut tuu ua- uaa uac uad uae uaf uag uai uan uar uas uat uau uca ucc ucd uce ucf ucg uci ucn ucr ucs uct ucu uda udc udd ude udf udg udi udn udr uds udt udu uea uec ued uee uef ueg uei uen uer ues uet ufa ufc ufd ufe uff ufg ufi ufn ufr ufs uft ufu uga ugc uge ugf ugg ugi ugn ugr ugs ugt ugu uia uic uid uie uif uig uii uin uir uis uit uiu un- una unc und une unf ung uni unn unr uns unt unu ur- ura urc urd ure urf urg uri urn urr urs urt uru usa usc usd use usf usg usi usn usr uss ust usu uta utc utd ute utf uti utn utr uts utt utu uua uuc uue uug uun uur uus uut uuu