-al -er a-a a-b aaa aab aae aag aah aal aar ab- aba abb abe abg abh abl abr aea aeb aee aeg aeh ael aer ag- aga agb age agg agh agl agr aha ahb ahe ahg ahh ahl ahr al- ala alb ale alg alh all alr ar- ara arb are arg arh arl arr baa bab bae bag bah bal bar bba bbb bbe bbg bbh bbl bbr be- bea beb bee beg beh bel ber bga bgb bge bgg bgh bgl bgr bha bhb bhe bhg bhh bhl bhr bla blb ble blg blh bll blr bra brb bre brg brh brl brr eaa eab eae eag eah eal ear eba ebb ebe ebg ebh ebl ebr eea eeb eee eeg eel eer ega egb ege egg egh egl egr eha ehb ehe ehg ehh ehl ehr ela elb ele elg elh ell elr era erb ere erg erh erl err gaa gab gae gag gah gal gar gba gbe gbg gbh gbl gbr ge- gea geb gee geg geh gel ger gga ggb ggg ggh ggr gha ghb ghe ghg ghh ghl ghr gla glb gle glg glh gll glr gra grb gre grg grh grl grr haa hab hae hag hah hal har hba hbb hbe hbg hbh hbl hbr he- hea heb hee heg heh hel her hga hgb hge hgg hgh hgl hgr hha hhb hhe hhg hhh hhl hhr hla hlb hle hlg hlh hll hlr hr- hra hrb hre hrg hrh hrl hrr la- laa lab lae lag lah lal lar lba lbb lbe lbg lbh lbl lbr lea leb lee leg leh lel ler lga lgb lge lgg lgh lgl lgr lha lhb lhh lhr lla llb lle llg lll llr lra lrb lrg lrh lrr ra- raa rab rae rag rah ral rar rba rbb rbe rbg rbh rbl rbr re- rea reb ree reg reh rel rer rga rgb rge rgg rgh rgr rh- rha rhb rhe rhg rhh rhl rhr rla rle rlg rlh rll rlr rra rrb rrg rrh rrl rrr