-al -ol a-a a-b aaa aab aal aam aan aao aas ab- aba abb abl abm abn abo abs al- ala alb all alm aln alo als ama amb aml amm amn amo ams an- ana anb anl anm ann ano ans aoa aob aol aom aon aoo aos as- asa asb asl asm asn aso ass baa bab bal bam ban bao bas bba bbb bbl bbm bbn bbo bbs bla blb bll blm bln blo bls bma bmb bml bmm bmn bmo bms bna bnb bnl bnn bno bns boa bob bol bom bon boo bos bsa bsb bsl bsm bsn bso bss la- laa lab lal lam lan lao las lba lbb lbl lbm lbo lbs lla llb lll llm lln llo lls lma lmb lml lmm lmn lmo lms lna lnb lnl lnm lnn lno lns loa lob lol lom lon loo los lsa lsb lsl lsm lsn lso lss m-o maa mab mal mam man mao mas mba mbb mbl mbm mbo mbs mla mlb mll mlm mln mlo mls mma mmb mml mmm mmn mmo mms mna mnb mnl mnm mnn mno mns moa mob mol mom mon moo mos msa msb msl msm msn mso mss naa nab nal nam nan nao nas nba nbb nbl nbm nbn nbo nbs nla nlb nll nlm nln nlo nls nma nmb nml nmm nmn nmo nms nna nnb nnl nnm nnn nno nns no- noa nob nol nom non noo nos nsa nsb nsl nsm nsn nso nss oaa oab oal oam oan oao oas ob- oba obb obl obm obn obo obs ola olb oll olm oln olo ols om- oma omb oml omm omn omo oms on- ona onb onl onn ono ons oo- ooa oob ool oom oon ooo oos os- osa osb osl osm osn oso oss saa sab sal sam san sao sas sba sbb sbl sbm sbn sbo sbs sla slb sll slm sln slo sls sma smb sml smm smn smo sms sna snb snl snm snn sno sns soa sob sol som son soo sos ss- ssa ssb ssl ssm ssn sso sss