bbb bbe bbh bbo bbs be- beb bee beh beo bes bez bhb bhe bhh bho bhs bob boe boh boo bos boz bsb bse bsh bso bss bze bzh bzo bzs bzz ebb ebe ebh ebo ebs eeb eee eeo ees ehb ehe ehh eho ehs eo- eob eoe eoh eoo eos es- esb ese esh eso ess eze ezh ezo ezs ezz hbb hbe hbh hbo hbs hbz he- heb hee heh heo hes hez hhb hhe hhh hho hhs hhz hob hoe hoh hoo hos hsb hse hsh hss hsz hze hzo hzs ob- obb obe obh obo obs oeb oee oeh oeo oes ohe ohh oho ohs oo- oob ooh ooo oos os- osb ose osh oso oss oze ozo ozs ozz sbb sbe sbh sbo sbs se- seb see seh seo ses sez sh- shb she shh sho shs sob soe soh soo sos soz ss- ssb sse ssh sso sss ssz sze zbb zbs zeb zee zeh zeo zes zez zhe zho zhs zo- zob zoe zoo zos zse zsh zsz zzs zzz