-al -ol a-a aaa aaf aal aam aao aas af- afa aff afl afm afo afs al- ala alf all alm alo als ama amf aml amm amo ams aoa aof aol aom aoo aos as- asa asf asl asm aso ass faa faf fal fam fao fas ffa fff ffl ffm ffo ffs fla flf fll flm flo fls fma fmf fml fmm fmo fms foa fof fol fom foo fos fsa fsf fsl fsm fso fss la- laa laf lal lam lao las lfa lff lfl lfm lfo lfs lla llf lll llm llo lls lma lmf lml lmm lmo lms loa lof lol lom loo los lsa lsf lsl lsm lso lss m-f m-o maa maf mal mam mao mas mfa mff mfl mfm mfo mfs mla mlf mll mlm mlo mls mma mmf mml mmm mmo mms moa mof mol mom moo mos msa msf msl msm mso mss oaa oaf oal oam oao oas of- ofa off ofl ofm ofo ofs ola olf oll olm olo ols om- oma omf oml omm omo oms oo- ooa oof ool oom ooo oos os- osa osf osl osm oso oss saa saf sal sam sao sas sfa sff sfl sfm sfo sfs sla slf sll slm slo sls sma smf sml smm smo sms soa sof sol som soo sos ss- ssa ssf ssl ssm sso sss