a-a a-i a-t aaa aaf aai aam aas aat af- afa aff afi afm afs aft ai- aia aif aii aim ais ait ama amf ami amm ams amt as- asa asf asi asm ass ast at- ata atf ati atm ats att faa faf fai fam fas fat ffa fff ffi ffm ffs fft fia fif fii fim fis fit fma fmf fmi fmm fms fmt fsa fsf fsi fsm fss fst fta ftf fti ftm fts ftt i-f ia- iaa iaf iai iam ias iat ifa iff ifi ifm ifs ift iia iif iii iim iis iit im- ima imf imi imm ims imt is- isa isf isi ism iss ist ita itf iti itm its itt m-f maa maf mai mam mas mat mfa mff mfi mfm mfs mft mi- mia mif mii mim mis mit mma mmf mmi mmm mms mmt msa msf msi msm mss mst mta mtf mti mtm mts mtt saa saf sai sam sas sat sfa sff sfi sfm sfs sft sia sif sii sim sis sit sma smf smi smm sms smt ss- ssa ssf ssi ssm sss sst sta stf sti stm sts stt taa taf tai tam tas tat tfa tff tfi tfm tfs tft tia tif tii tim tis tit tma tmf tmi tmm tms tmt tsa tsf tsi tsm tss tst tta ttf tti ttm tts ttt