-ic a-a a-c a-i a-t aaa aac aai aan aao aar aas aat aax ac- aca acc aci acn aco acr acs act acx ai- aia aic aii ain aio air ais ait aix an- ana anc ani ann ano anr ans ant anx aoa aoc aoi aon aoo aor aos aot aox ar- ara arc ari arn aro arr ars art arx as- asa asc asi asn aso asr ass ast asx at- ata atc ati atn ato atr ats att atx ax- axa axi axn axo axr axs axt axx c-- caa cac cai can cao car cas cat cax cca ccc cci ccn cco ccr ccs cct ccx ci- cia cic cii cin cio cir cis cit cix cn- cna cnc cni cnn cno cnr cns cnt cnx co- coa coc coi con coo cor cos cot cox cra crc cri crn cro crr crs crt crx csa csc csi csn cso csr css cst csx cta ctc cti ctn cto ctr cts ctt ctx cxc cxi cxo cxr cxs cxt cxx ia- iaa iac iai ian iao iar ias iat ica icc ici icn ico icr ics ict iia iic iii iin iio iir iis iit iix in- ina inc ini inn ino inr ins int inx io- ioa ioc ioi ion ioo ior ios iot ir- ira irc iri irn iro irr irs irt irx is- isa isc isi isn iso isr iss ist ita itc iti itn ito its itt itx ixc ixi ixn n-i naa nac nai nan nao nar nas nat nax nca ncc nci ncn nco ncr ncs nct ncx nia nic nii nin nio nir nis nit nix nna nnc nni nnn nno nns nnt no- noa noc noi non noo nor nos not nox nra nrc nri nrn nro nrr nrs nrt nrx nsa nsc nsi nsn nso nsr nss nst nsx nta ntc nti ntn nto ntr nts ntt ntx nxc nxt o-i oaa oac oai oan oao oar oas oat oax oc- oca occ oci ocn oco ocr ocs oct ocx oia oic oii oin oio oir ois oit on- ona onc oni onn ono onr ons ont onx oo- ooa ooc ooi oon ooo oor oos oot oox or- ora orc ori orn oro orr ors ort orx os- osa osc osi osn oso osr oss ost osx ot- ota otc oti otn oto otr ots ott ox- oxa oxc oxi oxn oxo oxt oxx ra- raa rac rai ran rao rar ras rat rax rca rcc rci rcn rco rcr rcs rct rcx ria ric rii rin rio rir ris rit rix rna rnc rni rnn rno rnr rns rnt roa roc roi ron roo ror ros rot rox rra rrc rri rrn rrr rrs rrt rsa rsc rsi rsn rso rsr rss rst rsx rta rtc rti rtn rto rtr rts rtt rtx rxr rxs saa sac sai san sao sar sas sat sax sca scc sci scn sco scr scs sct scx sia sic sii sin sio sir sis sit six sna snc sni snn sno snr sns snt soa soc soi son soo sor sos sot sox sr- sra src sri srn sro srr srs srt srx ss- ssa ssc ssi ssn sso ssr sss sst ssx sta stc sti stn sto str sts stt stx sxc sxi sxn sxs sxt t-x taa tac tai tan tao tar tas tat tax tca tcc tci tcn tco tcr tcs tct tcx tia tic tii tin tio tir tis tit tix tna tnc tni tnn tno tnr tns tnt tnx to- toa toc toi ton too tor tos tot tox tra trc tri trn tro trr trs trt trx tsa tsc tsi tsn tso tsr tss tst tsx tta ttc tti ttn tto ttr tts ttt ttx txi txn txs txt xaa xac xan xar xas xat xci xcr xcx xia xic xii xin xio xis xit xix xna xnc xno xns xoa xoc xoi xon xoo xor xos xot xox xrc xrt xrx xsa xsc xsi xss xst xtc xti xtr xts xtx xxi xxo xxx