-al -ol a-a a-b a-t aaa aab aal aam aao aas aat ab- aba abb abl abm abo abs abt al- ala alb all alm alo als alt ama amb aml amm amo ams amt aoa aob aol aom aoo aos aot as- asa asb asl asm aso ass ast at- ata atb atl atm ato ats att baa bab bal bam bao bas bat bba bbb bbl bbm bbo bbs bbt bla blb bll blm blo bls blt bma bmb bml bmm bmo bms bmt boa bob bol bom boo bos bot bsa bsb bsl bsm bso bss bst bta btb btl btm bto bts btt la- laa lab lal lam lao las lat lba lbb lbl lbm lbo lbs lbt lla llb lll llm llo lls llt lma lmb lml lmm lmo lms lmt loa lob lol lom loo los lot lsa lsb lsl lsm lso lss lst lta ltb ltl ltm lto lts ltt m-o maa mab mal mam mao mas mat mba mbb mbl mbm mbo mbs mbt mla mlb mll mlm mlo mls mlt mma mmb mml mmm mmo mms mmt moa mob mol mom moo mos mot msa msb msl msm mso mss mst mta mtb mtl mtm mto mts mtt oaa oab oal oam oao oas oat ob- oba obb obl obm obo obs obt ola olb oll olm olo ols olt om- oma omb oml omm omo oms omt oo- ooa oob ool oom ooo oos oot os- osa osb osl osm oso oss ost ot- ota otb otl otm oto ots ott saa sab sal sam sao sas sat sba sbb sbl sbm sbo sbs sbt sla slb sll slm slo sls slt sma smb sml smm smo sms smt soa sob sol som soo sos sot ss- ssa ssb ssl ssm sso sss sst sta stb stl stm sto sts stt taa tab tal tam tao tas tat tba tbb tbl tbm tbo tbs tbt tla tll tlm tlo tls tlt tma tmb tml tmm tmo tms tmt to- toa tob tol tom too tos tot tsa tsb tsl tsm tso tss tst tta ttb ttl ttm tto tts ttt