a-a a-b aaa aab aad aae aaj aak aam aao ab- aba abb abd abe abj abk abm abo ad- ada adb add ade adj adk adm ado aea aeb aed aee aej aek aem aeo aja ajb ajd aje ajj ajk ajm ajo aka akb akd ake akj akk akm ako ama amb amd ame amk amm amo aoa aob aod aoe aoj aok aom aoo baa bab bad bae baj bak bam bao bba bbb bbd bbe bbk bbm bbo bda bdb bdd bde bdj bdk bdm bdo be- bea beb bed bee bek bem beo bja bjd bjj bjk bjm bka bkb bke bkk bkm bko bma bmb bmd bme bmj bmk bmm bmo boa bob bod boe boj bok bom boo daa dab dad dae daj dak dam dao dba dbb dbd dbe dbk dbm dbo dda ddb ddd dde ddk ddm ddo de- dea deb ded dee dej dek dem deo dj- dja djb djd dje djk djm djo dka dkb dke dkk dkm dko dma dmb dmd dme dmk dmm dmo doa dob dod doe doj dok dom doo eaa eab ead eae eaj eak eam eao eba ebb ebd ebe ebj ebk ebm ebo ed- eda edb edd ede edj edk edm edo eea eeb eed eee eek eem eeo eja ejd ejo eka ekb ekd eke eko em- ema emb emd eme emk emm emo eo- eoa eob eod eoe eok eom eoo j-d jaa jab jad jae jaj jak jam jao jba jbj jbk jbm jbo jda jdb jde jdm jdo jea jeb jed jee jej jek jem jeo jja jjb jjj jjk jka jkb jkk jkm jko jma jmb jmd jme jmj jmm jmo joa job jod joe joj jok jom joo ka- kaa kab kad kae kaj kak kam kao kba kbb kbd kbe kbk kbm kbo kda kdb kde kdk kdm kdo ke- kea keb ked kee kek kem keo kjb kje kkb kke kkk kkm kma kmb kmd kme kmj kmk kmm kmo koa kob kod koe kok kom koo m-o maa mab mad mae maj mak mam mao mba mbb mbd mbe mbj mbk mbm mbo mda mdb mdd mde mdj mdk mdm mdo mea meb med mee mej mek mem meo mjb mjd mje mjj mjk mjm mka mkb mkd mke mkk mkm mko mma mmb mmd mme mmj mmk mmm mmo moa mob mod moe mok mom moo oaa oab oad oae oaj oak oam oao ob- oba obb obd obe obj obk obm obo oda odb odd ode odm odo oea oeb oed oee oem oeo oja ojb ojd oje ojm ojo oka okb okd oke okj okk oko om- oma omb omd ome omj omm omo oo- ooa oob ood ook oom ooo