-ic a-a a-c a-i a-t aaa aac aai aan aao aar aas aat ac- aca acc aci acn aco acr acs act ai- aia aic aii ain aio air ais ait an- ana anc ani ann ano anr ans ant aoa aoc aoi aon aoo aor aos aot ar- ara arc ari arn aro arr ars art as- asa asc asi asn aso asr ass ast at- ata atc ati atn ato atr ats att c-- caa cac cai can cao car cas cat cca ccc cci ccn cco ccr ccs cct ci- cia cic cii cin cio cir cis cit cn- cna cnc cni cnn cno cnr cns cnt co- coa coc coi con coo cor cos cot cra crc cri crn cro crr crs crt csa csc csi csn cso csr css cst cta ctc cti ctn cto ctr cts ctt 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 in- ina inc ini inn ino inr ins int io- ioa ioc ioi ion ioo ior ios iot ir- ira irc iri irn iro irr irs irt is- isa isc isi isn iso isr iss ist ita itc iti itn ito its itt n-i naa nac nai nan nao nar nas nat nca ncc nci ncn nco ncr ncs nct nia nic nii nin nio nir nis nit nna nnc nni nnn nno nns nnt no- noa noc noi non noo nor nos not nra nrc nri nrn nro nrr nrs nrt nsa nsc nsi nsn nso nsr nss nst nta ntc nti ntn nto ntr nts ntt o-i oaa oac oai oan oao oar oas oat oc- oca occ oci ocn oco ocr ocs oct oia oic oii oin oio oir ois oit on- ona onc oni onn ono onr ons ont oo- ooa ooc ooi oon ooo oor oos oot or- ora orc ori orn oro orr ors ort os- osa osc osi osn oso osr oss ost ot- ota otc oti otn oto otr ots ott ra- raa rac rai ran rao rar ras rat rca rcc rci rcn rco rcr rcs rct ria ric rii rin rio rir ris rit rna rnc rni rnn rno rnr rns rnt roa roc roi ron roo ror ros rot rra rrc rri rrn rrr rrs rrt rsa rsc rsi rsn rso rsr rss rst rta rtc rti rtn rto rtr rts rtt saa sac sai san sao sar sas sat sca scc sci scn sco scr scs sct sia sic sii sin sio sir sis sit sna snc sni snn sno snr sns snt soa soc soi son soo sor sos sot sr- sra src sri srn sro srr srs srt ss- ssa ssc ssi ssn sso ssr sss sst sta stc sti stn sto str sts stt taa tac tai tan tao tar tas tat tca tcc tci tcn tco tcr tcs tct tia tic tii tin tio tir tis tit tna tnc tni tnn tno tnr tns tnt to- toa toc toi ton too tor tos tot tra trc tri trn tro trr trs trt tsa tsc tsi tsn tso tsr tss tst tta ttc tti ttn tto ttr tts ttt