a-a a-t aaa aaf aam aan aao aas aat af- afa aff afm afn afo afs aft ama amf amm amn amo ams amt an- ana anf anm ann ano ans ant aoa aof aom aon aoo aos aot as- asa asf asm asn aso ass ast at- ata atf atm atn ato ats att faa faf fam fan fao fas fat ffa fff ffm ffn ffo ffs fft fma fmf fmm fmn fmo fms fmt fna fnf fnm fnn fns fnt foa fof fom fon foo fos fot fsa fsf fsm fsn fso fss fst fta ftf ftm ftn fto fts ftt m-f m-o maa maf mam man mao mas mat mfa mff mfm mfn mfo mfs mft mma mmf mmm mmn mmo mms mmt mna mnf mnm mnn mno mns mnt moa mof mom mon moo mos mot msa msf msm msn mso mss mst mta mtf mtm mtn mto mts mtt naa naf nam nan nao nas nat nfa nff nfn nfo nfs nft nma nmm nmn nmo nms nmt nna nnf nnm nnn nno nns nnt no- noa nof nom non noo nos not nsa nsf nsm nsn nso nss nst nta ntf ntm ntn nto nts ntt oaa oaf oam oan oao oas oat of- ofa off ofm ofn ofo ofs oft om- oma omf omm omn omo oms omt on- ona onf onn ono ons ont oo- ooa oof oom oon ooo oos oot os- osa osf osm osn oso oss ost ot- ota otf otm otn oto ots ott saa saf sam san sao sas sat sfa sff sfm sfn sfo sfs sft sma smf smm smn smo sms smt sna snf snm snn sno sns snt soa sof som son soo sos sot ss- ssa ssf ssm ssn sso sss sst sta stf stm stn sto sts stt taa taf tam tan tao tas tat tfa tff tfm tfn tfo tfs tft tma tmf tmm tmn tmo tms tmt tna tnf tnm tnn tno tns tnt to- toa tof tom ton too tos tot tsa tsf tsm tsn tso tss tst tta ttf ttm ttn tto tts ttt