-er b-u bbb bbe bbh bbl bbr bbu be- beb bee beh bel ber beu bez bhb bhe bhh bhl bhr bhu blb ble blh bll blr blu blz brb bre brh brl brr bru brz bub bue buh bul bur buu buz bze bzh bzr bzu bzz ebb ebe ebh ebl ebr ebu eeb eee eel eer ehb ehe ehh ehl ehr ehu elb ele elh ell elr elu elz erb ere erh erl err eru erz eu- eub eue eul eur eze ezh ezr ezz hbb hbe hbh hbl hbr hbu hbz he- heb hee heh hel her heu hez hhb hhe hhh hhl hhr hhu hhz hlb hle hlh hll hlr hlu hlz hr- hrb hre hrh hrl hrr hru hrz hub hue huh hul hur huu huz hze hzl lbb lbe lbh lbl lbr lbu leb lee leh lel ler leu lez lhb lhh lhr lhu lhz llb lle lll llr llu llz lrb lrh lrr lru lrz lub lue luh lul lur luu luz lzh lzr lzu rbb rbe rbh rbl rbr rbu re- reb ree reh rel rer reu rez rh- rhb rhe rhh rhl rhr rhu rle rlh rll rlr rlu rrb rrh rrl rrr rru rub rue ruh rur ruu ruz rzb rze ubb ube ubh ubl ubr ubu ueb uee ueh uel uer uhb uhe uhh uhl uhr uhu ulb ule ull ulr ulu ur- urb ure url urr uru urz uue uur uuu uzb uzh uzu zbb zbl zbr zeb zee zeh zel zer zez zhe zhl zhr zhu zlr zrh zrl zub zul zur zuz zzr zzz