-ic a-a a-c a-i a-t aaa aac aai aar aas aat aau aax ac- aca acc aci acr acs act acu acx ai- aia aic aii air ais ait aiu aix ar- ara arc ari arr ars art aru arx as- asa asc asi asr ass ast asu asx at- ata atc ati atr ats att atu atx au- aua auc aui aur aus aut aux ax- axa axi axr axs axt axx c-- caa cac cai car cas cat cau cax cca ccc cci ccr ccs cct ccu ccx ci- cia cic cii cir cis cit ciu cix cra crc cri crr crs crt cru crx csa csc csi csr css cst csu csx cta ctc cti ctr cts ctt ctu ctx cua cuc cui cur cus cut cuu cxc cxi cxr cxs cxt cxx ia- iaa iac iai iar ias iat iau ica icc ici icr ics ict icu iia iic iii iir iis iit iiu iix ir- ira irc iri irr irs irt iru irx is- isa isc isi isr iss ist isu ita itc iti its itt itu itx iu- iua iuc iui iur ius iut ixc ixi ra- raa rac rai rar ras rat rau rax rca rcc rci rcr rcs rct rcu rcx ria ric rii rir ris rit rix rra rrc rri rrr rrs rrt rru rsa rsc rsi rsr rss rst rsu rsx rta rtc rti rtr rts rtt rtu rtx rua ruc rui rur rus rut ruu rux rxr rxs saa sac sai sar sas sat sau sax sca scc sci scr scs sct scu scx sia sic sii sir sis sit siu six sr- sra src sri srr srs srt srx ss- ssa ssc ssi ssr sss sst ssu ssx sta stc sti str sts stt stu stx sua suc sui sur sus sut suu sux sxc sxi sxs sxt sxu t-x taa tac tai tar tas tat tau tax tca tcc tci tcr tcs tct tcu tcx tia tic tii tir tis tit tiu tix tra trc tri trr trs trt tru trx tsa tsc tsi tsr tss tst tsu tsx tta ttc tti ttr tts ttt ttu ttx tua tuc tui tur tus tut tuu tux txi txs txt txu ua- uaa uac uai uar uas uat uau uca ucc uci ucr ucs uct ucu uia uic uii uir uis uit uiu ur- ura urc uri urr urs urt uru urx usa usc usi usr uss ust usu usx uta utc uti utr uts utt utu utx uua uuc uur uus uut uuu uxc uxr uxt uxu xaa xac xar xas xat xau xci xcr xcx xia xic xii xis xit xiu xix xrc xrt xrx xsa xsc xsi xss xst xtc xti xtr xts xtx xui xus xxi xxx