a-a aaa aaf aah aam aan aao aas af- afa aff afh afm afn afo afs aha ahf ahh ahm ahn aho ahs ama amf amh amm amn amo ams an- ana anf anh anm ann ano ans aoa aof aoh aom aon aoo aos as- asa asf ash asm asn aso ass faa faf fah fam fan fao fas ffa fff ffh ffm ffn ffo ffs fha fhf fhh fhm fhn fho fhs fma fmf fmh fmm fmn fmo fms fna fnf fnh fnm fnn fns foa fof foh fom fon foo fos fsa fsf fsh fsm fsn fso fss haa haf hah ham han hao has hfa hff hfh hfm hfn hfo hfs hha hhf hhh hhm hhn hho hhs hma hmf hmh hmm hmo hms hna hnf hnh hnn hno hns hoa hof hoh hom hon hoo hos hsa hsf hsh hsm hsn hss m-f m-o maa maf mah mam man mao mas mfa mff mfh mfm mfn mfo mfs mha mhf mhh mhm mhn mho mhs mma mmf mmh mmm mmn mmo mms mna mnf mnm mnn mno mns moa mof moh mom mon moo mos msa msf msh msm msn mso mss naa naf nah nam nan nao nas nfa nff nfn nfo nfs nha nhf nhh nhm nhn nhs nma nmh nmm nmn nmo nms nna nnf nnh nnm nnn nno nns no- noa nof noh nom non noo nos nsa nsf nsh nsm nsn nso nss oaa oaf oah oam oan oao oas of- ofa off ofm ofn ofo ofs oha ohf ohh ohm ohn oho ohs om- oma omf omh omm omn omo oms on- ona onf onh onn ono ons oo- ooa oof ooh oom oon ooo oos os- osa osf osh osm osn oso oss saa saf sah sam san sao sas sfa sff sfh sfm sfn sfo sfs sh- sha shf shh shm shn sho shs sma smf smh smm smn smo sms sna snf snm snn sno sns soa sof soh som son soo sos ss- ssa ssf ssh ssm ssn sso sss