a-a a-b a-i aaa aab aad aae aag aah aai aan ab- aba abb abd abe abg abh abi abn ad- ada adb add ade adg adh adi adn aea aeb aed aee aeg aeh aei aen ag- aga agb agd age agg agh agi agn aha ahb ahd ahe ahg ahh ahi ahn ai- aia aib aid aie aig aih aii ain an- ana anb and ane ang anh ani ann baa bab bad bae bag bah bai ban bba bbb bbd bbe bbg bbh bbi bbn bda bdb bdd bde bdg bdh bdi be- bea beb bed bee beg beh bei ben bga bgb bgd bge bgg bgh bgi bgn bha bhb bhd bhe bhg bhh bhi bi- bia bib bid bie big bih bii bin bna bnb bnd bne bng bni bnn daa dab dad dae dag dah dai dan dba dbb dbd dbe dbg dbh dbi dbn dda ddb ddd dde ddg ddh ddi ddn de- dea deb ded dee deg deh dei den dga dgd dge dgg dgh dgi dgn dh- dha dhb dhd dhe dhh dhi di- dia dib did die dig dih dii din dna dnb dnd dne dng dnh dni dnn eaa eab ead eae eag eah eai ean eba ebb ebd ebe ebg ebh ebi ebn ed- eda edb edd ede edg edh edi edn eea eeb eed eee eeg een ega egb egd ege egg egh egi egn eha ehb ehd ehe ehg ehh ehi ehn eia eib eid eie eig eii ein en- ena enb end ene eng enh eni enn g-d gaa gab gad gae gag gah gai gan gba gbd gbe gbg gbh gbi gbn gda gdb gdd gde gdh gdi gdn ge- gea geb ged gee geg geh gei gen gga ggb ggd ggg ggh ggi ggn gha ghb ghd ghe ghg ghh ghi ghn gia gib gid gie gig gih gii gin gna gnb gnd gne gni gnn h-i haa hab had hae hag hah hai han hba hbb hbd hbe hbg hbh hbi hbn hda hdb hdd hde hdg hdh hdi hdn he- hea heb hed hee heg heh hei hen hga hgb hge hgg hgh hgi hgn hha hhb hhd hhe hhg hhh hhi hhn hia hib hid hie hig hih hii hin hna hnb hnd hne hng hnh hnn i-d ia- iaa iab iad iae iag iah iai ian iba ibb ibd ibe ibg ibh ibi ibn ida idb idd ide idg idh idi idn ie- iea ied iee ieg iei ien iga igb igd ige igg igh igi ign iha ihb ihd ihe ihg ihh ihi ihn iia iib iid iie iih iii iin in- ina inb ind ine ing inh ini inn n-i naa nab nad nae nag nah nai nan nba nbb nbd nbe nbg nbi nbn nda ndb ndd nde ndg ndh ndi ndn ne- nea neb ned nee neg neh nei nen nga ngb ngd nge ngg ngh ngi ngn nha nhb nhd nhe nhg nhh nhi nhn nia nib nid nie nig nih nii nin nna nnb nne nng nnh nni nnn