a-a a-b aaa aab aad aae aah aaj aan ab- aba abb abd abe abh abj abn ad- ada adb add ade adh adj adn aea aeb aed aee aeh aej aen aha ahb ahd ahe ahh ahj ahn aja ajb ajd aje ajh ajj ajn an- ana anb and ane anh anj ann baa bab bad bae bah baj ban bba bbb bbd bbe bbh bbn bda bdb bdd bde bdh bdj be- bea beb bed bee beh ben bha bhb bhd bhe bhh bhj bja bjd bjj bjn bna bnb bnd bne bnj bnn daa dab dad dae dah daj dan dba dbb dbd dbe dbh dbn dda ddb ddd dde ddh ddn de- dea deb ded dee deh dej den dh- dha dhb dhd dhe dhh dj- dja djb djd dje dna dnb dnd dne dnh dnj dnn eaa eab ead eae eah eaj ean eba ebb ebd ebe ebh ebj ebn ed- eda edb edd ede edh edj edn eea eeb eed eee een eha ehb ehd ehe ehh ehn eja ejd en- ena enb end ene enh enn haa hab had hae hah haj han hba hbb hbd hbe hbh hbj hbn hda hdb hdd hde hdh hdn he- hea heb hed hee heh hej hen hha hhb hhd hhe hhh hhj hhn hja hjn hna hnb hnd hne hnh hnj hnn j-d jaa jab jad jae jah jaj jan jba jbj jda jdb jde jdh jdn jea jeb jed jee jeh jej jen jha jhd jhe jhj jhn jja jjb jjj jna jnd jne jnh jnj jnn naa nab nad nae nah naj nan nba nbb nbd nbe nbn nda ndb ndd nde ndh ndn ne- nea neb ned nee neh nej nen nha nhb nhd nhe nhh nhj nhn nja nje njn nna nnb nne nnh nnn