-ic a-a a-c a-i a-t aaa aac aaf aai aan aao aap aas aat ac- aca acc acf aci acn aco acp acs act af- afa afc aff afi afn afo afp afs aft ai- aia aic aif aii ain aio aip ais ait an- ana anc anf ani ann ano anp ans ant aoa aoc aof aoi aon aoo aop aos aot ap- apa apc apf api apn apo app aps apt as- asa asc asf asi asn aso asp ass ast at- ata atc atf ati atn ato atp ats att c-- caa cac caf cai can cao cap cas cat cca ccc ccf cci ccn cco ccp ccs cct cfa cfc cff cfi cfn cfo cfp cfs cft ci- cia cic cif cii cin cio cip cis cit cn- cna cnc cnf cni cnn cno cnp cns cnt co- coa coc cof coi con coo cop cos cot cpa cpc cpf cpi cpn cpo cpp cps cpt csa csc csf csi csn cso csp css cst cta ctc ctf cti ctn cto ctp cts ctt faa fac faf fai fan fao fap fas fat fca fcc fcf fci fcn fco fcp fcs fct ffa ffc fff ffi ffn ffo ffp ffs fft fia fic fif fii fin fip fis fit fna fnc fnf fni fnn fnp fns fnt foa foc fof foi fon foo fop fos fot fpa fpc fpi fpn fpo fpp fps fpt fsa fsc fsf fsi fsn fso fsp fss fst fta ftc ftf fti ftn fto ftp fts ftt i-f ia- iaa iac iaf iai ian iao iap ias iat ica icc icf ici icn ico icp ics ict ifa ifc iff ifi ifn ifo ifp ifs ift iia iic iif iii iin iio iip iis iit in- ina inc inf ini inn ino inp ins int io- ioa ioc iof ioi ion ioo iop ios iot ipa ipc ipf ipi ipn ipo ipp ips ipt is- isa isc isf isi isn iso isp iss ist ita itc itf iti itn ito itp its itt n-i naa nac naf nai nan nao nap nas nat nca ncc ncf nci ncn nco ncp ncs nct nfa nfc nff nfi nfn nfo nfp nfs nft nia nic nif nii nin nio nip nis nit nna nnc nnf nni nnn nno nnp nns nnt no- noa noc nof noi non noo nop nos not npa npc npf npi npn npo npp nps npt nsa nsc nsf nsi nsn nso nsp nss nst nta ntc ntf nti ntn nto ntp nts ntt o-i oaa oac oaf oai oan oao oap oas oat oc- oca occ ocf oci ocn oco ocp ocs oct of- ofa ofc off ofi ofn ofo ofp ofs oft oia oic oif oii oin oio oip ois oit on- ona onc onf oni onn ono onp ons ont oo- ooa ooc oof ooi oon ooo oop oos oot op- opa opc opf opi opn opo opp ops opt os- osa osc osf osi osn oso osp oss ost ot- ota otc otf oti otn oto otp ots ott p-p paa pac paf pai pan pao pap pas pat pca pcc pcf pci pcn pco pcp pcs pct pfa pfc pff pfi pfn pfo pfp pfs pft pia pic pif pii pin pio pip pis pit pn- pna pnc pnf pni pnn pno pnp pns pnt poa poc pof poi pon poo pop pos pot ppa ppc ppf ppi ppn ppo ppp pps ppt ps- psa psc psf psi psn pso psp pss pst pt- pta ptc ptf pti ptn pto ptp pts ptt saa sac saf sai san sao sap sas sat sca scc scf sci scn sco scp scs sct sfa sfc sff sfi sfn sfo sfp sfs sft sia sic sif sii sin sio sip sis sit sna snc snf sni snn sno snp sns snt soa soc sof soi son soo sop sos sot spa spc spf spi spn spo spp sps spt ss- ssa ssc ssf ssi ssn sso ssp sss sst sta stc stf sti stn sto stp sts stt taa tac taf tai tan tao tap tas tat tca tcc tcf tci tcn tco tcp tcs tct tfa tfc tff tfi tfn tfo tfp tfs tft tia tic tif tii tin tio tip tis tit tna tnc tnf tni tnn tno tnp tns tnt to- toa toc tof toi ton too top tos tot tpa tpc tpf tpi tpn tpo tpp tps tpt tsa tsc tsf tsi tsn tso tsp tss tst tta ttc ttf tti ttn tto ttp tts ttt