a-a a-b a-i aaa aab aad aae aah aai aao ab- aba abb abd abe abh abi abo ad- ada adb add ade adh adi ado aea aeb aed aee aeh aei aeo aha ahb ahd ahe ahh ahi aho ai- aia aib aid aie aih aii aio aoa aob aod aoe aoh aoi aoo baa bab bad bae bah bai bao bba bbb bbd bbe bbh bbi bbo bda bdb bdd bde bdh bdi bdo be- bea beb bed bee beh bei beo bha bhb bhd bhe bhh bhi bho bi- bia bib bid bie bih bii bio boa bob bod boe boh boi boo daa dab dad dae dah dai dao dba dbb dbd dbe dbh dbi dbo dda ddb ddd dde ddh ddi ddo de- dea deb ded dee deh dei deo dh- dha dhb dhd dhe dhh dhi dho di- dia dib did die dih dii dio doa dob dod doe doh doi doo eaa eab ead eae eah eai eao eba ebb ebd ebe ebh ebi ebo ed- eda edb edd ede edh edi edo eea eeb eed eee eeo eha ehb ehd ehe ehh ehi eho eia eib eid eie eii eio eo- eoa eob eod eoe eoh eoi eoo h-i haa hab had hae hah hai hao hba hbb hbd hbe hbh hbi hbo hda hdb hdd hde hdh hdi hdo he- hea heb hed hee heh hei heo hha hhb hhd hhe hhh hhi hho hia hib hid hie hih hii hio hoa hob hod hoe hoh hoi hoo i-d ia- iaa iab iad iae iah iai iao iba ibb ibd ibe ibh ibi ibo ida idb idd ide idh idi ido ie- iea ied iee iei iha ihb ihd ihe ihh ihi iho iia iib iid iie iih iii iio io- ioa iob iod ioe ioh ioi ioo o-i oaa oab oad oae oah oai oao ob- oba obb obd obe obh obi obo oda odb odd ode odh odi odo oea oeb oed oee oeh oei oeo oha ohd ohe ohh ohi oho oia oib oid oie oii oio oo- ooa oob ood ooh ooi ooo