a-a a-b aaa aab aae aag aah aaj aan ab- aba abb abe abg abh abj abn aea aeb aee aeg aeh aej aen ag- aga agb age agg agh agj agn aha ahb ahe ahg ahh ahj ahn aja ajb aje ajh ajj ajn an- ana anb ane ang anh anj ann baa bab bae bag bah baj ban bba bbb bbe bbg bbh bbn be- bea beb bee beg beh ben bga bgb bge bgg bgh bgn bha bhb bhe bhg bhh bhj bja bjg bjj bjn bna bnb bne bng bnj bnn eaa eab eae eag eah eaj ean eba ebb ebe ebg ebh ebj ebn eea eeb eee eeg een ega egb ege egg egh egn eha ehb ehe ehg ehh ehn eja en- ena enb ene eng enh enn gaa gab gae gag gah gaj gan gba gbe gbg gbh gbj gbn ge- gea geb gee geg geh gen gga ggb ggg ggh ggj ggn gha ghb ghe ghg ghh ghj ghn gja gje gjg gna gnb gne gnn haa hab hae hag hah haj han hba hbb hbe hbg hbh hbj hbn he- hea heb hee heg heh hej hen hga hgb hge hgg hgh hgn hha hhb hhe hhg hhh hhj hhn hja hjn hna hnb hne hng hnh hnj hnn jaa jab jae jag jah jaj jan jba jbg jbj jea jeb jee jeg jeh jej jen jga jgb jge jgh jgn jha jhe jhj jhn jja jjb jjg jjj jna jne jng jnh jnj jnn naa nab nae nag nah naj nan nba nbb nbe nbg nbn ne- nea neb nee neg neh nej nen nga ngb nge ngg ngh ngj ngn nha nhb nhe nhg nhh nhj nhn nja nje njn nna nnb nne nng nnh nnn