-ic a-a a-c a-i a-t aaa aac aaf aai aan aao aar aas aat ac- aca acc acf aci acn aco acr acs act af- afa afc aff afi afn afo afr afs aft ai- aia aic aif aii ain aio air ais ait an- ana anc anf ani ann ano anr ans ant aoa aoc aof aoi aon aoo aor aos aot ar- ara arc arf ari arn aro arr ars art as- asa asc asf asi asn aso asr ass ast at- ata atc atf ati atn ato atr ats att c-- caa cac caf cai can cao car cas cat cca ccc ccf cci ccn cco ccr ccs cct cfa cfc cff cfi cfn cfo cfr cfs cft ci- cia cic cif cii cin cio cir cis cit cn- cna cnc cnf cni cnn cno cnr cns cnt co- coa coc cof coi con coo cor cos cot cra crc crf cri crn cro crr crs crt csa csc csf csi csn cso csr css cst cta ctc ctf cti ctn cto ctr cts ctt faa fac faf fai fan fao far fas fat fca fcc fcf fci fcn fco fcr fcs fct ffa ffc fff ffi ffn ffo ffr ffs fft fia fic fif fii fin fir fis fit fna fnc fnf fni fnn fnr fns fnt foa foc fof foi fon foo for fos fot fra frc frf fri frn fro frr frs frt fsa fsc fsf fsi fsn fso fsr fss fst fta ftc ftf fti ftn fto ftr fts ftt i-f ia- iaa iac iaf iai ian iao iar ias iat ica icc icf ici icn ico icr ics ict ifa ifc iff ifi ifn ifo ifr ifs ift iia iic iif iii iin iio iir iis iit in- ina inc inf ini inn ino inr ins int io- ioa ioc iof ioi ion ioo ior ios iot ir- ira irc irf iri irn iro irr irs irt is- isa isc isf isi isn iso isr iss ist ita itc itf iti itn ito its itt n-i naa nac naf nai nan nao nar nas nat nca ncc ncf nci ncn nco ncr ncs nct nfa nfc nff nfi nfn nfo nfr nfs nft nia nic nif nii nin nio nir nis nit nna nnc nnf nni nnn nno nns nnt no- noa noc nof noi non noo nor nos not nra nrc nrf nri nrn nro nrr nrs nrt nsa nsc nsf nsi nsn nso nsr nss nst nta ntc ntf nti ntn nto ntr nts ntt o-i oaa oac oaf oai oan oao oar oas oat oc- oca occ ocf oci ocn oco ocr ocs oct of- ofa ofc off ofi ofn ofo ofr ofs oft oia oic oif oii oin oio oir ois oit on- ona onc onf oni onn ono onr ons ont oo- ooa ooc oof ooi oon ooo oor oos oot or- ora orc orf ori orn oro orr ors ort os- osa osc osf osi osn oso osr oss ost ot- ota otc otf oti otn oto otr ots ott ra- raa rac raf rai ran rao rar ras rat rca rcc rcf rci rcn rco rcr rcs rct rfa rfc rff rfi rfn rfo rfr rfs rft ria ric rif rii rin rio rir ris rit rna rnc rni rnn rno rnr rns rnt roa roc rof roi ron roo ror ros rot rra rrc rrf rri rrn rrr rrs rrt rsa rsc rsf rsi rsn rso rsr rss rst rta rtc rtf rti rtn rto rtr rts rtt saa sac saf sai san sao sar sas sat sca scc scf sci scn sco scr scs sct sfa sfc sff sfi sfn sfo sfr sfs sft sia sic sif sii sin sio sir sis sit sna snc snf sni snn sno snr sns snt soa soc sof soi son soo sor sos sot sr- sra src srf sri srn sro srr srs srt ss- ssa ssc ssf ssi ssn sso ssr sss sst sta stc stf sti stn sto str sts stt taa tac taf tai tan tao tar tas tat tca tcc tcf tci tcn tco tcr tcs tct tfa tfc tff tfi tfn tfo tfr tfs tft tia tic tif tii tin tio tir tis tit tna tnc tnf tni tnn tno tnr tns tnt to- toa toc tof toi ton too tor tos tot tra trc trf tri trn tro trr trs trt tsa tsc tsf tsi tsn tso tsr tss tst tta ttc ttf tti ttn tto ttr tts ttt