a-a a-b a-i aaa aab aad aae aag aah aai ab- aba abb abd abe abg abh abi ad- ada adb add ade adg adh adi aea aeb aed aee aeg aeh aei ag- aga agb agd age agg agh agi aha ahb ahd ahe ahg ahh ahi ai- aia aib aid aie aig aih aii baa bab bad bae bag bah bai bba bbb bbd bbe bbg bbh bbi bda bdb bdd bde bdg bdh bdi be- bea beb bed bee beg beh bei bga bgb bgd bge bgg bgh bgi bha bhb bhd bhe bhg bhh bhi bi- bia bib bid bie big bih bii daa dab dad dae dag dah dai dba dbb dbd dbe dbg dbh dbi dda ddb ddd dde ddg ddh ddi de- dea deb ded dee deg deh dei dga dgd dge dgg dgh dgi dh- dha dhb dhd dhe dhh dhi di- dia dib did die dig dih dii eaa eab ead eae eag eah eai eba ebb ebd ebe ebg ebh ebi ed- eda edb edd ede edg edh edi eea eeb eed eee eeg ega egb egd ege egg egh egi eha ehb ehd ehe ehg ehh ehi eia eib eid eie eig eii g-d gaa gab gad gae gag gah gai gba gbd gbe gbg gbh gbi gda gdb gdd gde gdh gdi ge- gea geb ged gee geg geh gei gga ggb ggd ggg ggh ggi gha ghb ghd ghe ghg ghh ghi gia gib gid gie gig gih gii h-i haa hab had hae hag hah hai hba hbb hbd hbe hbg hbh hbi hda hdb hdd hde hdg hdh hdi he- hea heb hed hee heg heh hei hga hgb hge hgg hgh hgi hha hhb hhd hhe hhg hhh hhi hia hib hid hie hig hih hii i-d ia- iaa iab iad iae iag iah iai iba ibb ibd ibe ibg ibh ibi ida idb idd ide idg idh idi ie- iea ied iee ieg iei iga igb igd ige igg igh igi iha ihb ihd ihe ihg ihh ihi iia iib iid iie iih iii