-er bbb bbe bbg bbh bbr be- beb bee beg beh ber bez bgb bge bgg bgh bgr bgz bhb bhe bhg bhh bhr brb bre brg brh brr brz bze bzh bzr bzz ebb ebe ebg ebh ebr eeb eee eeg eer egb ege egg egh egr ehb ehe ehg ehh ehr erb ere erg erh err erz eze ezh ezr ezz gbe gbg gbh gbr gbz ge- geb gee geg geh ger gez ggb ggg ggh ggr ggz ghb ghe ghg ghh ghr ghz grb gre grg grh grr gzr hbb hbe hbg hbh hbr hbz he- heb hee heg heh her hez hgb hge hgg hgh hgr hhb hhe hhg hhh hhr hhz hr- hrb hre hrg hrh hrr hrz hze rbb rbe rbg rbh rbr re- reb ree reg reh rer rez rgb rge rgg rgh rgr rh- rhb rhe rhg rhh rhr rrb rrg rrh rrr rzb rze z-g zbb zbr zeb zee zeh zer zez zgb zgg zhe zhr zrh zzr zzz