-al -er a-a a-b a-i a-t aaa aab aae aai aak aal aam aar aat ab- aba abb abe abi abk abl abm abr abt aea aeb aee aei aek ael aem aer aet ai- aia aib aie aii aik ail aim air ait aka akb ake aki akk akl akm akr al- ala alb ale ali alk all alm alr alt ama amb ame ami amk aml amm amr amt ar- ara arb are ari ark arl arm arr art at- ata atb ate ati atl atm atr att baa bab bae bai bak bal bam bar bat bba bbb bbe bbi bbk bbl bbm bbr bbt be- bea beb bee bei bek bel bem ber bet bi- bia bib bie bii bik bil bim bir bit bka bkb bke bkk bkl bkm bkr bkt bla blb ble bli blk bll blm blr blt bma bmb bme bmi bmk bml bmm bmr bmt bra brb bre bri brk brl brm brr brt bta btb bte bti btk btl btm btr btt eaa eab eae eai eak eal eam ear eat eba ebb ebe ebi ebk ebl ebm ebr ebt eea eeb eee eek eel eem eer eet eia eib eie eii eik eil eim eir eit eka ekb eke eki ekl ekr ekt ela elb ele eli elk ell elm elr elt em- ema emb eme emi emk eml emm emr emt era erb ere eri erk erl erm err ert eta etb ete eti etk etl etm etr ett ia- iaa iab iae iai ial iam iar iat iba ibb ibe ibi ibk ibl ibm ibr ibt ie- iea iee iei iek iel iem ier iet iia iib iie iii iil iim iir iit ika ikb ike iki ikk ikl ikr ikt il- ila ilb ile ili ilk ill ilm ilr ilt im- ima imb ime imi iml imm imt ir- ira irb ire iri irk irl irm irr irt ita itb ite iti itk itl itm itt k-t ka- kaa kab kae kai kak kal kam kar kat kba kbb kbe kbi kbk kbl kbm kbr ke- kea keb kee kei kek kel kem ker ket kia kib kie kii kik kil kim kir kit kkb kke kki kkk kkl kkm kkr kkt kl- kla klb kli klm klr klt kma kmb kme kmi kmk kml kmm kmt kra kri krk krl krr krt kta ktb kte ktk ktl ktm ktr ktt la- laa lab lae lai lak lal lam lar lat lba lbb lbe lbi lbk lbl lbm lbr lbt lea leb lee lei lek lel lem ler let lia lib lie lii lik lil lim lir lit lka lkb lkl lkr lkt lla llb lle lli llk lll llm llr llt lma lmb lme lmi lmk lml lmm lmr lmt lra lrb lri lrk lrm lrr lrt lta ltb lte lti ltk ltl ltm ltr ltt m-r maa mab mae mai mak mal mam mar mat mba mbb mbe mbi mbk mbl mbm mbr mbt mea meb mee mei mek mel mem mer met mi- mia mib mie mii mik mil mim mir mit mka mkb mke mkk mkl mkm mkr mkt mla mlb mle mli mlk mll mlm mlr mlt mma mmb mme mmi mmk mml mmm mmr mmt mra mrb mre mri mrk mrl mrm mrr mrt mta mtb mte mti mtk mtl mtm mtr mtt ra- raa rab rae rai rak ral ram rar rat rba rbb rbe rbi rbk rbl rbm rbr rbt re- rea reb ree rei rek rel rem rer ret ria rib rie rii rik ril rim rir rit rkb rke rkk rkm rkt rla rle rli rll rlm rlr rlt rma rmb rme rmi rml rmm rmr rmt rra rrb rri rrk rrl rrm rrr rrt rta rtb rte rti rtk rtl rtm rtr rtt taa tab tae tai tak tal tam tar tat tba tbb tbe tbi tbk tbl tbm tbr tbt te- tea teb tee tei tek tel tem ter tet tia tib tie tii tik til tim tir tit tka tkb tke tkk tkl tkm tkr tkt tla tle tli tlk tll tlm tlr tlt tma tmb tme tmi tmk tml tmm tmr tmt tra trb tre tri trk trl trm trr trt tta ttb tte tti ttk ttl ttm ttr ttt