-al -er a-a a-b a-i aaa aab aad aae aag aai aak aal aar ab- aba abb abd abe abg abi abk abl abr ad- ada adb add ade adg adi adk adl adr aea aeb aed aee aeg aei aek ael aer ag- aga agb agd age agg agi agk agl agr ai- aia aib aid aie aig aii aik ail air aka akb akd ake akg aki akk akl akr al- ala alb ald ale alg ali alk all alr ar- ara arb ard are arg ari ark arl arr baa bab bad bae bag bai bak bal bar bba bbb bbd bbe bbg bbi bbk bbl bbr bda bdb bdd bde bdg bdi bdk bdl bdr be- bea beb bed bee beg bei bek bel ber bga bgb bgd bge bgg bgi bgk bgl bgr bi- bia bib bid bie big bii bik bil bir bka bkb bke bkg bkk bkl bkr bla blb bld ble blg bli blk bll blr bra brb brd bre brg bri brk brl brr daa dab dad dae dag dai dak dal dar dba dbb dbd dbe dbg dbi dbk dbl dbr dda ddb ddd dde ddg ddi ddk ddl ddr de- dea deb ded dee deg dei dek del der dga dgd dge dgg dgi dgk dgl dgr di- dia dib did die dig dii dik dil dir dka dkb dke dkg dki dkk dkl dkr dl- dla dlb dld dle dlg dli dlk dll dlr dra drb drd dre drg dri drk drl drr eaa eab ead eae eag eai eak eal ear eba ebb ebd ebe ebg ebi ebk ebl ebr ed- eda edb edd ede edg edi edk edl edr eea eeb eed eee eeg eek eel eer ega egb egd ege egg egi egl egr eia eib eid eie eig eii eik eil eir eka ekb ekd eke ekg eki ekl ekr ela elb eld ele elg eli elk ell elr era erb erd ere erg eri erk erl err g-d gaa gab gad gae gag gai gak gal gar gba gbd gbe gbg gbi gbk gbl gbr gda gdb gdd gde gdi gdk gdl gdr ge- gea geb ged gee geg gei gek gel ger gga ggb ggd ggg ggi ggr gia gib gid gie gig gii gik gil gir gka gkb gkd gla glb gld gle glg gli glk gll glr gra grb grd gre grg gri grk grl grr i-d ia- iaa iab iad iae iag iai ial iar iba ibb ibd ibe ibg ibi ibk ibl ibr ida idb idd ide idg idi idk idl idr ie- iea ied iee ieg iei iek iel ier iga igb igd ige igg igi igk igl igr iia iib iid iie iii iil iir ika ikb ike iki ikk ikl ikr il- ila ilb ild ile ilg ili ilk ill ilr ir- ira irb ird ire irg iri irk irl irr ka- kaa kab kad kae kag kai kak kal kar kba kbb kbd kbe kbi kbk kbl kbr kda kdb kde kdg kdk kdl kdr ke- kea keb ked kee keg kei kek kel ker kga kgb kgd kgi kgl kia kib kid kie kig kii kik kil kir kkb kke kki kkk kkl kkr kl- kla klb kld klg kli klr kra krd krg kri krk krl krr la- laa lab lad lae lag lai lak lal lar lba lbb lbd lbe lbg lbi lbk lbl lbr lda ldb ldd lde ldg ldi ldk ldl ldr lea leb led lee leg lei lek lel ler lga lgb lgd lge lgg lgi lgk lgl lgr lia lib lid lie lig lii lik lil lir lka lkb lkg lkl lkr lla llb lld lle llg lli llk lll llr lra lrb lrd lrg lri lrk lrr ra- raa rab rad rae rag rai rak ral rar rba rbb rbd rbe rbg rbi rbk rbl rbr rda rdb rdd rde rdg rdi rdl rdr re- rea reb red ree reg rei rek rel rer rga rgb rgd rge rgg rgi rgk rgr ria rib rid rie rig rii rik ril rir rkb rke rkg rkk rla rld rle rlg rli rll rlr rra rrb rrd rrg rri rrk rrl rrr