-al -er a-a a-b a-i a-t aaa aab aad aae aai aak aal aar aat ab- aba abb abd abe abi abk abl abr abt ad- ada adb add ade adi adk adl adr adt aea aeb aed aee aei aek ael aer aet ai- aia aib aid aie aii aik ail air ait aka akb akd ake aki akk akl akr al- ala alb ald ale ali alk all alr alt ar- ara arb ard are ari ark arl arr art at- ata atb atd ate ati atl atr att baa bab bad bae bai bak bal bar bat bba bbb bbd bbe bbi bbk bbl bbr bbt bda bdb bdd bde bdi bdk bdl bdr bdt be- bea beb bed bee bei bek bel ber bet bi- bia bib bid bie bii bik bil bir bit bka bkb bke bkk bkl bkr bkt bla blb bld ble bli blk bll blr blt bra brb brd bre bri brk brl brr brt bta btb btd bte bti btk btl btr btt daa dab dad dae dai dak dal dar dat dba dbb dbd dbe dbi dbk dbl dbr dbt dda ddb ddd dde ddi ddk ddl ddr ddt de- dea deb ded dee dei dek del der det di- dia dib did die dii dik dil dir dit dka dkb dke dki dkk dkl dkr dkt dl- dla dlb dld dle dli dlk dll dlr dlt dra drb drd dre dri drk drl drr drt dta dtb dtd dte dti dtk dtl dtr dtt eaa eab ead eae eai eak eal ear eat eba ebb ebd ebe ebi ebk ebl ebr ebt ed- eda edb edd ede edi edk edl edr edt eea eeb eed eee eek eel eer eet eia eib eid eie eii eik eil eir eit eka ekb ekd eke eki ekl ekr ekt ela elb eld ele eli elk ell elr elt era erb erd ere eri erk erl err ert eta etb etd ete eti etk etl etr ett i-d ia- iaa iab iad iae iai ial iar iat iba ibb ibd ibe ibi ibk ibl ibr ibt ida idb idd ide idi idk idl idr idt ie- iea ied iee iei iek iel ier iet iia iib iid iie iii iil iir iit ika ikb ike iki ikk ikl ikr ikt il- ila ilb ild ile ili ilk ill ilr ilt ir- ira irb ird ire iri irk irl irr irt ita itb itd ite iti itk itl itt k-t ka- kaa kab kad kae kai kak kal kar kat kba kbb kbd kbe kbi kbk kbl kbr kda kdb kde kdk kdl kdr kdt ke- kea keb ked kee kei kek kel ker ket kia kib kid kie kii kik kil kir kit kkb kke kki kkk kkl kkr kkt kl- kla klb kld kli klr klt kra krd kri krk krl krr krt kta ktb kte ktk ktl ktr ktt la- laa lab lad lae lai lak lal lar lat lba lbb lbd lbe lbi lbk lbl lbr lbt lda ldb ldd lde ldi ldk ldl ldr ldt lea leb led lee lei lek lel ler let lia lib lid lie lii lik lil lir lit lka lkb lkl lkr lkt lla llb lld lle lli llk lll llr llt lra lrb lrd lri lrk lrr lrt lta ltb ltd lte lti ltk ltl ltr ltt ra- raa rab rad rae rai rak ral rar rat rba rbb rbd rbe rbi rbk rbl rbr rbt rda rdb rdd rde rdi rdl rdr rdt re- rea reb red ree rei rek rel rer ret ria rib rid rie rii rik ril rir rit rkb rke rkk rkt rla rld rle rli rll rlr rlt rra rrb rrd rri rrk rrl rrr rrt rta rtb rtd rte rti rtk rtl rtr rtt taa tab tad tae tai tak tal tar tat tba tbb tbd tbe tbi tbk tbl tbr tbt tda tdb tdd tde tdi tdk tdl tdr tdt te- tea teb ted tee tei tek tel ter tet tia tib tid tie tii tik til tir tit tka tkb tke tkk tkl tkr tkt tla tld tle tli tlk tll tlr tlt tra trb trd tre tri trk trl trr trt tta ttb ttd tte tti ttk ttl ttr ttt