-al a-a a-b a-i a-t aaa aab aai aal aam aar aat ab- aba abb abi abl abm abr abt ai- aia aib aii ail aim air ait al- ala alb ali all alm alr alt ama amb ami aml amm amr amt ar- ara arb ari arl arm arr art at- ata atb ati atl atm atr att baa bab bai bal bam bar bat bba bbb bbi bbl bbm bbr bbt bi- bia bib bii bil bim bir bit bla blb bli bll blm blr blt bma bmb bmi bml bmm bmr bmt bra brb bri brl brm brr brt bta btb bti btl btm btr btt ia- iaa iab iai ial iam iar iat iba ibb ibi ibl ibm ibr ibt iia iib iii iil iim iir iit il- ila ilb ili ill ilm ilr ilt im- ima imb imi iml imm imt ir- ira irb iri irl irm irr irt ita itb iti itl itm itt la- laa lab lai lal lam lar lat lba lbb lbi lbl lbm lbr lbt lia lib lii lil lim lir lit lla llb lli lll llm llr llt lma lmb lmi lml lmm lmr lmt lra lrb lri lrm lrr lrt lta ltb lti ltl ltm ltr ltt m-r maa mab mai mal mam mar mat mba mbb mbi mbl mbm mbr mbt mi- mia mib mii mil mim mir mit mla mlb mli mll mlm mlr mlt mma mmb mmi mml mmm mmr mmt mra mrb mri mrl mrm mrr mrt mta mtb mti mtl mtm mtr mtt ra- raa rab rai ral ram rar rat rba rbb rbi rbl rbm rbr rbt ria rib rii ril rim rir rit rla rli rll rlm rlr rlt rma rmb rmi rml rmm rmr rmt rra rrb rri rrl rrm rrr rrt rta rtb rti rtl rtm rtr rtt taa tab tai tal tam tar tat tba tbb tbi tbl tbm tbr tbt tia tib tii til tim tir tit tla tli tll tlm tlr tlt tma tmb tmi tml tmm tmr tmt tra trb tri trl trm trr trt tta ttb tti ttl ttm ttr ttt