-al -er a-a a-b aaa aab aae aag aah aak aal aar ab- aba abb abe abg abh abk abl abr aea aeb aee aeg aeh aek ael aer ag- aga agb age agg agh agk agl agr aha ahb ahe ahg ahh ahk ahl ahr aka akb ake akg akh akk akl akr al- ala alb ale alg alh alk all alr ar- ara arb are arg arh ark arl arr baa bab bae bag bah bak bal bar bba bbb bbe bbg bbh bbk bbl bbr be- bea beb bee beg beh bek bel ber bga bgb bge bgg bgh bgk bgl bgr bha bhb bhe bhg bhh bhk bhl bhr bka bkb bke bkg bkk bkl bkr bla blb ble blg blh blk bll blr bra brb bre brg brh brk brl brr eaa eab eae eag eah eak eal ear eba ebb ebe ebg ebh ebk ebl ebr eea eeb eee eeg eek eel eer ega egb ege egg egh egl egr eha ehb ehe ehg ehh ehl ehr eka ekb eke ekg ekh ekl ekr ela elb ele elg elh elk ell elr era erb ere erg erh erk erl err gaa gab gae gag gah gak gal gar gba gbe gbg gbh gbk gbl gbr ge- gea geb gee geg geh gek gel ger gga ggb ggg ggh ggr gha ghb ghe ghg ghh ghl ghr gka gkb gkh gla glb gle glg glh glk gll glr gra grb gre grg grh grk grl grr haa hab hae hag hah hak hal har hba hbb hbe hbg hbh hbk hbl hbr he- hea heb hee heg heh hek hel her hga hgb hge hgg hgh hgk hgl hgr hha hhb hhe hhg hhh hhk hhl hhr hka hkb hkg hkh hkk hkl hkr hla hlb hle hlg hlh hll hlr hr- hra hrb hre hrg hrh hrk hrl hrr ka- kaa kab kae kag kah kak kal kar kba kbb kbe kbh kbk kbl kbr ke- kea keb kee keg keh kek kel ker kga kgb kgh kgl kha khe khh khk khr kkb kke kkh kkk kkl kkr kl- kla klb klg klh klr kra krg krk krl krr la- laa lab lae lag lah lak lal lar lba lbb lbe lbg lbh lbk lbl lbr lea leb lee leg leh lek lel ler lga lgb lge lgg lgh lgk lgl lgr lha lhb lhh lhk lhr lka lkb lkg lkh lkl lkr lla llb lle llg llk lll llr lra lrb lrg lrh lrk lrr ra- raa rab rae rag rah rak ral rar rba rbb rbe rbg rbh rbk rbl rbr re- rea reb ree reg reh rek rel rer rga rgb rge rgg rgh rgk rgr rh- rha rhb rhe rhg rhh rhl rhr rkb rke rkg rkk rla rle rlg rlh rll rlr rra rrb rrg rrh rrk rrl rrr