a-a a-b aaa aab aae aag aah aaj aan aas ab- aba abb abe abg abh abj abn abs aea aeb aee aeg aeh aej aen aes ag- aga agb age agg agh agj agn ags aha ahb ahe ahg ahh ahj ahn ahs aja ajb aje ajh ajj ajn ajs an- ana anb ane ang anh anj ann ans as- asa asb ase asg ash asj asn ass baa bab bae bag bah baj ban bas bba bbb bbe bbg bbh bbn bbs be- bea beb bee beg beh ben bes bga bgb bge bgg bgh bgn bgs bha bhb bhe bhg bhh bhj bhs bja bjg bjj bjn bjs bna bnb bne bng bnj bnn bns bsa bsb bse bsg bsh bsj bsn bss eaa eab eae eag eah eaj ean eas eba ebb ebe ebg ebh ebj ebn ebs eea eeb eee eeg een ees ega egb ege egg egh egn egs eha ehb ehe ehg ehh ehn ehs eja en- ena enb ene eng enh enn ens es- esa esb ese esg esh esn ess gaa gab gae gag gah gaj gan gas gba gbe gbg gbh gbj gbn gbs ge- gea geb gee geg geh gen ges gga ggb ggg ggh ggj ggn ggs gha ghb ghe ghg ghh ghj ghn ghs gja gje gjg gna gnb gne gnn gns gsa gsb gse gsg gsj gsn gss haa hab hae hag hah haj han has hba hbb hbe hbg hbh hbj hbn hbs he- hea heb hee heg heh hej hen hes hga hgb hge hgg hgh hgn hgs hha hhb hhe hhg hhh hhj hhn hhs hja hjn hjs hna hnb hne hng hnh hnj hnn hns hsa hsb hse hsg hsh hsj hsn hss jaa jab jae jag jah jaj jan jas jba jbg jbj jbs jea jeb jee jeg jeh jej jen jes jga jgb jge jgh jgn jgs jha jhe jhj jhn jhs jja jjb jjg jjj jjs jna jne jng jnh jnj jnn jns jsa jsb jse jsg jsh jsj jsn jss naa nab nae nag nah naj nan nas nba nbb nbe nbg nbn nbs ne- nea neb nee neg neh nej nen nes nga ngb nge ngg ngh ngj ngn ngs nha nhb nhe nhg nhh nhj nhn nhs nja nje njn njs nna nnb nne nng nnh nnn nns nsa nsb nse nsg nsh nsn nss saa sab sae sag sah saj san sas sba sbb sbe sbg sbh sbj sbn sbs se- sea seb see seg seh sej sen ses sga sgb sge sgg sgh sgn sgs sh- sha shb she shg shh shn shs sja sjb sje sjh sjj sjs sna snb sne sng snj snn sns ss- ssa ssb sse ssg ssh ssj ssn sss