a-a aaa aaf aag aam aas aau aax af- afa aff afg afm afs afu afx ag- aga agf agg agm ags agu agx ama amf amg amm ams amu amx as- asa asf asg asm ass asu asx au- aua auf aug aum aus aux ax- axa axm axs axx faa faf fag fam fas fau fax ffa fff ffg ffm ffs ffu ffx fga fgf fgg fgm fgs fma fmf fmg fmm fms fmu fmx fsa fsf fsg fsm fss fsu fsx fua fuf fug fum fus fuu fux fxg fxm fxs fxu fxx gaa gaf gag gam gas gau gfa gff gfm gfs gfx gga ggg ggm ggs ggu gma gmf gmg gmm gms gmx gsa gsf gsg gsm gss gsu gsx gu- gua guf gug gum gus guu gxa gxf gxs m-f maa maf mag mam mas mau max mfa mff mfg mfm mfs mfu mga mgf mgm mgs mgu mgx mma mmf mmg mmm mms mmu mmx msa msf msg msm mss msu msx mua muf mug mum mus muu mux mxa mxs mxu saa saf sag sam sas sau sax sfa sff sfg sfm sfs sfu sfx sga sgf sgg sgm sgs sgu sgx sma smf smg smm sms smu smx ss- ssa ssf ssg ssm sss ssu ssx sua suf sug sum sus suu sux sxm sxs sxu ua- uaa uaf uag uam uas uau ufa uff ufg ufm ufs ufu ufx uga ugf ugg ugm ugs ugu ugx um- uma umf umg umm ums umu usa usf usg usm uss usu usx uua uug uum uus uuu uxf uxu xaa xaf xag xam xas xau xfa xfm xfs xfx xma xmf xmg xmm xms xmu xmx xsa xsm xss xus xxx