-al -ol a-a a-b a-t aaa aab aal aam aan aao aas aat ab- aba abb abl abm abn abo abs abt al- ala alb all alm aln alo als alt ama amb aml amm amn amo ams amt an- ana anb anl anm ann ano ans ant aoa aob aol aom aon aoo aos aot as- asa asb asl asm asn aso ass ast at- ata atb atl atm atn ato ats att baa bab bal bam ban bao bas bat bba bbb bbl bbm bbn bbo bbs bbt bla blb bll blm bln blo bls blt bma bmb bml bmm bmn bmo bms bmt bna bnb bnl bnn bno bns bnt boa bob bol bom bon boo bos bot bsa bsb bsl bsm bsn bso bss bst bta btb btl btm btn bto bts btt la- laa lab lal lam lan lao las lat lba lbb lbl lbm lbo lbs lbt lla llb lll llm lln llo lls llt lma lmb lml lmm lmn lmo lms lmt lna lnb lnl lnm lnn lno lns lnt loa lob lol lom lon loo los lot lsa lsb lsl lsm lsn lso lss lst lta ltb ltl ltm lto lts ltt m-o maa mab mal mam man mao mas mat mba mbb mbl mbm mbo mbs mbt mla mlb mll mlm mln mlo mls mlt mma mmb mml mmm mmn mmo mms mmt mna mnb mnl mnm mnn mno mns mnt moa mob mol mom mon moo mos mot msa msb msl msm msn mso mss mst mta mtb mtl mtm mtn mto mts mtt naa nab nal nam nan nao nas nat nba nbb nbl nbm nbn nbo nbs nbt nla nlb nll nlm nln nlo nls nlt nma nmb nml nmm nmn nmo nms nmt nna nnb nnl nnm nnn nno nns nnt no- noa nob nol nom non noo nos not nsa nsb nsl nsm nsn nso nss nst nta ntb ntm ntn nto nts ntt oaa oab oal oam oan oao oas oat ob- oba obb obl obm obn obo obs obt ola olb oll olm oln olo ols olt om- oma omb oml omm omn omo oms omt on- ona onb onl onn ono ons ont oo- ooa oob ool oom oon ooo oos oot os- osa osb osl osm osn oso oss ost ot- ota otb otl otm otn oto ots ott saa sab sal sam san sao sas sat sba sbb sbl sbm sbn sbo sbs sbt sla slb sll slm sln slo sls slt sma smb sml smm smn smo sms smt sna snb snl snm snn sno sns snt soa sob sol som son soo sos sot ss- ssa ssb ssl ssm ssn sso sss sst sta stb stl stm stn sto sts stt taa tab tal tam tan tao tas tat tba tbb tbl tbm tbn tbo tbs tbt tla tll tlm tln tlo tls tlt tma tmb tml tmm tmn tmo tms tmt tna tnb tnl tnm tnn tno tns tnt to- toa tob tol tom ton too tos tot tsa tsb tsl tsm tsn tso tss tst tta ttb ttl ttm ttn tto tts ttt