a-a aaa aaf aam aan aao aas aau af- afa aff afm afn afo afs afu ama amf amm amn amo ams amu an- ana anf anm ann ano ans anu aoa aof aom aon aoo aos aou as- asa asf asm asn aso ass asu au- aua auf aum aun auo aus faa faf fam fan fao fas fau ffa fff ffm ffn ffo ffs ffu fma fmf fmm fmn fmo fms fmu fna fnf fnm fnn fns fnu foa fof fom fon foo fos fou fsa fsf fsm fsn fso fss fsu fua fuf fum fun fuo fus fuu m-f m-o maa maf mam man mao mas mau mfa mff mfm mfn mfo mfs mfu mma mmf mmm mmn mmo mms mmu mna mnf mnm mnn mno mns mnu moa mof mom mon moo mos mou msa msf msm msn mso mss msu mua muf mum mun mus muu naa naf nam nan nao nas nau nfa nff nfn nfo nfs nfu nma nmm nmn nmo nms nmu nna nnf nnm nnn nno nns nnu no- noa nof nom non noo nos nou nsa nsf nsm nsn nso nss nsu nua num nun nuo nus nuu oaa oaf oam oan oao oas oau of- ofa off ofm ofn ofo ofs ofu om- oma omf omm omn omo oms omu on- ona onf onn ono ons onu oo- ooa oof oom oon ooo oos os- osa osf osm osn oso oss osu ou- oua ouf oum oun ouo ous saa saf sam san sao sas sau sfa sff sfm sfn sfo sfs sfu sma smf smm smn smo sms smu sna snf snm snn sno sns snu soa sof som son soo sos sou ss- ssa ssf ssm ssn sso sss ssu sua suf sum sun suo sus suu ua- uaa uaf uam uan uao uas uau ufa uff ufm ufn ufo ufs ufu um- uma umf umm umn umo ums umu un- una unf unm unn uno uns unu uoa uom uon uoo uos usa usf usm usn uso uss usu uua uum uun uus uuu