a-a a-i a-t aaa aaf aai aam aar aas aat af- afa aff afi afm afr afs aft ai- aia aif aii aim air ais ait ama amf ami amm amr ams amt ar- ara arf ari arm arr ars art as- asa asf asi asm asr ass ast at- ata atf ati atm atr ats att faa faf fai fam far fas fat ffa fff ffi ffm ffr ffs fft fia fif fii fim fir fis fit fma fmf fmi fmm fmr fms fmt fra frf fri frm frr frs frt fsa fsf fsi fsm fsr fss fst fta ftf fti ftm ftr fts ftt i-f ia- iaa iaf iai iam iar ias iat ifa iff ifi ifm ifr ifs ift iia iif iii iim iir iis iit im- ima imf imi imm ims imt ir- ira irf iri irm irr irs irt is- isa isf isi ism isr iss ist ita itf iti itm its itt m-f m-r maa maf mai mam mar mas mat mfa mff mfi mfm mfr mfs mft mi- mia mif mii mim mir mis mit mma mmf mmi mmm mmr mms mmt mra mrf mri mrm mrr mrs mrt msa msf msi msm msr mss mst mta mtf mti mtm mtr mts mtt ra- raa raf rai ram rar ras rat rfa rff rfi rfm rfr rfs rft ria rif rii rim rir ris rit rma rmf rmi rmm rmr rms rmt rra rrf rri rrm rrr rrs rrt rsa rsf rsi rsm rsr rss rst rta rtf rti rtm rtr rts rtt saa saf sai sam sar sas sat sfa sff sfi sfm sfr sfs sft sia sif sii sim sir sis sit sma smf smi smm smr sms smt sr- sra srf sri srm srr srs srt ss- ssa ssf ssi ssm ssr sss sst sta stf sti stm str sts stt taa taf tai tam tar tas tat tfa tff tfi tfm tfr tfs tft tia tif tii tim tir tis tit tma tmf tmi tmm tmr tms tmt tra trf tri trm trr trs trt tsa tsf tsi tsm tsr tss tst tta ttf tti ttm ttr tts ttt