a-a a-b aaa aab aae aah aaj aas ab- aba abb abe abh abj abs aea aeb aee aeh aej aes aha ahb ahe ahh ahj ahs aja ajb aje ajh ajj ajs as- asa asb ase ash asj ass baa bab bae bah baj bas bba bbb bbe bbh bbs be- bea beb bee beh bes bha bhb bhe bhh bhj bhs bja bjj bjs bsa bsb bse bsh bsj bss eaa eab eae eah eaj eas eba ebb ebe ebh ebj ebs eea eeb eee ees eha ehb ehe ehh ehs eja es- esa esb ese esh ess haa hab hae hah haj has hba hbb hbe hbh hbj hbs he- hea heb hee heh hej hes hha hhb hhe hhh hhj hhs hja hjs hsa hsb hse hsh hsj hss jaa jab jae jah jaj jas jba jbj jbs jea jeb jee jeh jej jes jha jhe jhj jhs jja jjb jjj jjs jsa jsb jse jsh jsj jss saa sab sae sah saj sas sba sbb sbe sbh sbj sbs se- sea seb see seh sej ses sh- sha shb she shh shs sja sjb sje sjh sjj sjs ss- ssa ssb sse ssh ssj sss