-er -ic a-a a-c a-i a-t aaa aac aae aai aan aao aar aas aat ac- aca acc ace aci acn aco acr acs act aea aec aee aei aen aeo aer aes aet ai- aia aic aie aii ain aio air ais ait an- ana anc ane ani ann ano anr ans ant aoa aoc aoe aoi aon aoo aor aos aot ar- ara arc are ari arn aro arr ars art as- asa asc ase asi asn aso asr ass ast at- ata atc ate ati atn ato atr ats att c-- caa cac cae cai can cao car cas cat cca ccc cce cci ccn cco ccr ccs cct ce- cea cec cee cei cen ceo cer ces cet ci- cia cic cie cii cin cio cir cis cit cn- cna cnc cne cni cnn cno cnr cns cnt co- coa coc coe coi con coo cor cos cot cra crc cre cri crn cro crr crs crt csa csc cse csi csn cso csr css cst cta ctc cte cti ctn cto ctr cts ctt eaa eac eae eai ean eao ear eas eat ec- eca ecc ece eci ecn eco ecr ecs ect eea eec eee een eeo eer ees eet eia eic eie eii ein eio eir eis eit en- ena enc ene eni enn eno enr ens ent eo- eoa eoc eoe eoi eon eoo eor eos eot era erc ere eri ern ero err ers ert es- esa esc ese esi esn eso esr ess est eta etc ete eti etn eto etr ets ett ia- iaa iac iae iai ian iao iar ias iat ica icc ice ici icn ico icr ics ict ie- iea iec iee iei ien ier ies iet iia iic iie iii iin iio iir iis iit in- ina inc ine ini inn ino inr ins int io- ioa ioc ioe ioi ion ioo ior ios iot ir- ira irc ire iri irn iro irr irs irt is- isa isc ise isi isn iso isr iss ist ita itc ite iti itn ito its itt n-i naa nac nae nai nan nao nar nas nat nca ncc nce nci ncn nco ncr ncs nct ne- nea nec nee nei nen neo ner nes net nia nic nie nii nin nio nir nis nit nna nnc nne nni nnn nno nns nnt no- noa noc noe noi non noo nor nos not nra nrc nre nri nrn nro nrr nrs nrt nsa nsc nse nsi nsn nso nsr nss nst nta ntc nte nti ntn nto ntr nts ntt o-i oaa oac oae oai oan oao oar oas oat oc- oca occ oci ocn oco ocr ocs oct oea oec oee oei oen oeo oer oes oet oia oic oie oii oin oio oir ois oit on- ona onc one oni onn ono onr ons ont oo- ooa ooc ooi oon ooo oor oos oot or- ora orc ore ori orn oro orr ors ort os- osa osc ose osi osn oso osr oss ost ot- ota otc ote oti otn oto otr ots ott ra- raa rac rae rai ran rao rar ras rat rca rcc rce rci rcn rco rcr rcs rct re- rea rec ree rei ren reo rer res ret ria ric rie rii rin rio rir ris rit rna rnc rni rnn rno rnr rns rnt roa roc roe roi ron roo ror ros rot rra rrc rri rrn rrr rrs rrt rsa rsc rse rsi rsn rso rsr rss rst rta rtc rte rti rtn rto rtr rts rtt saa sac sae sai san sao sar sas sat sca scc sce sci scn sco scr scs sct se- sea sec see sei sen seo ser ses set sia sic sie sii sin sio sir sis sit sna snc sne sni snn sno snr sns snt soa soc soe soi son soo sor sos sot sr- sra src sre sri srn sro srr srs srt ss- ssa ssc sse ssi ssn sso ssr sss sst sta stc ste sti stn sto str sts stt taa tac tae tai tan tao tar tas tat tca tcc tce tci tcn tco tcr tcs tct te- tea tec tee tei ten teo ter tes tet tia tic tie tii tin tio tir tis tit tna tnc tne tni tnn tno tnr tns tnt to- toa toc toe toi ton too tor tos tot tra trc tre tri trn tro trr trs trt tsa tsc tse tsi tsn tso tsr tss tst tta ttc tte tti ttn tto ttr tts ttt