-al -ol a-a a-b a-t aaa aab aal aam aan aao aat ab- aba abb abl abm abn abo abt al- ala alb all alm aln alo alt ama amb aml amm amn amo amt an- ana anb anl anm ann ano ant aoa aob aol aom aon aoo aot at- ata atb atl atm atn ato att baa bab bal bam ban bao bat bba bbb bbl bbm bbn bbo bbt bla blb bll blm bln blo blt bma bmb bml bmm bmn bmo bmt bna bnb bnl bnn bno bnt boa bob bol bom bon boo bot bta btb btl btm btn bto btt la- laa lab lal lam lan lao lat lba lbb lbl lbm lbo lbt lla llb lll llm lln llo llt lma lmb lml lmm lmn lmo lmt lna lnb lnl lnm lnn lno lnt loa lob lol lom lon loo lot lta ltb ltl ltm lto ltt m-o maa mab mal mam man mao mat mba mbb mbl mbm mbo mbt mla mlb mll mlm mln mlo mlt mma mmb mml mmm mmn mmo mmt mna mnb mnl mnm mnn mno mnt moa mob mol mom mon moo mot mta mtb mtl mtm mtn mto mtt naa nab nal nam nan nao nat nba nbb nbl nbm nbn nbo nbt nla nlb nll nlm nln nlo nlt nma nmb nml nmm nmn nmo nmt nna nnb nnl nnm nnn nno nnt no- noa nob nol nom non noo not nta ntb ntm ntn nto ntt oaa oab oal oam oan oao oat ob- oba obb obl obm obn obo obt ola olb oll olm oln olo olt om- oma omb oml omm omn omo omt on- ona onb onl onn ono ont oo- ooa oob ool oom oon ooo oot ot- ota otb otl otm otn oto ott taa tab tal tam tan tao tat tba tbb tbl tbm tbn tbo tbt tla tll tlm tln tlo tlt tma tmb tml tmm tmn tmo tmt tna tnb tnl tnm tnn tno tnt to- toa tob tol tom ton too tot tta ttb ttl ttm ttn tto ttt