a-a a-b a-q aaa aab aae aah aao aaq aas ab- aba abb abe abh abo abq abs aea aeb aee aeh aeo aeq aes aha ahb ahe ahh aho ahq ahs aoa aob aoe aoh aoo aos aqa aqo aqs as- asa asb ase ash aso asq ass baa bab bae bah bao baq bas bba bbb bbe bbh bbo bbq bbs be- bea beb bee beh beo beq bes bha bhb bhe bhh bho bhq bhs boa bob boe boh boo boq bos bqe bsa bsb bse bsh bso bss eaa eab eae eah eao eas eba ebb ebe ebh ebo ebq ebs eea eeb eee eeo ees eha ehb ehe ehh eho ehs eo- eoa eob eoe eoh eoo eoq eos eqa eqe eqq eqs es- esa esb ese esh eso esq ess haa hab hae hah hao haq has hba hbb hbe hbh hbo hbs he- hea heb hee heh heo hes hha hhb hhe hhh hho hhs hoa hob hoe hoh hoo hos hqs hsa hsb hse hsh hsq hss oaa oab oae oah oao oaq oas ob- oba obb obe obh obo obs oea oeb oee oeh oeo oes oha ohe ohh oho ohq ohs oo- ooa oob ooh ooo oos oqb oqo os- osa osb ose osh oso osq oss qaa qah qas qba qbe qbq qbs qee qeh qeo qhs qoo qos qqq qsa qso saa sab sae sah sao saq sas sba sbb sbe sbh sbo sbq sbs se- sea seb see seh seo seq ses sh- sha shb she shh sho shs soa sob soe soh soo soq sos sqa sqq sqs ss- ssa ssb sse ssh sso ssq sss