a-a a-b a-i a-t aaa aab aad aae aag aai aan aao aat ab- aba abb abd abe abg abi abn abo abt ad- ada adb add ade adg adi adn ado adt aea aeb aed aee aeg aei aen aeo aet ag- aga agb agd age agg agi agn ago agt ai- aia aib aid aie aig aii ain aio ait an- ana anb and ane ang ani ann ano ant aoa aob aod aoe aog aoi aon aoo aot at- ata atb atd ate atg ati atn ato att baa bab bad bae bag bai ban bao bat bba bbb bbd bbe bbg bbi bbn bbo bbt bda bdb bdd bde bdg bdi bdo bdt be- bea beb bed bee beg bei ben beo bet bga bgb bgd bge bgg bgi bgn bgo bgt bi- bia bib bid bie big bii bin bio bit bna bnb bnd bne bng bni bnn bno bnt boa bob bod boe bog boi bon boo bot bta btb btd bte btg bti btn bto btt daa dab dad dae dag dai dan dao dat dba dbb dbd dbe dbg dbi dbn dbo dbt dda ddb ddd dde ddg ddi ddn ddo ddt de- dea deb ded dee deg dei den deo det dga dgd dge dgg dgi dgn dgt di- dia dib did die dig dii din dio dit dna dnb dnd dne dng dni dnn dno dnt doa dob dod doe dog doi don doo dot dta dtb dtd dte dtg dti dtn dto dtt eaa eab ead eae eag eai ean eao eat eba ebb ebd ebe ebg ebi ebn ebo ebt ed- eda edb edd ede edg edi edn edo edt eea eeb eed eee eeg een eeo eet ega egb egd ege egg egi egn ego egt eia eib eid eie eig eii ein eio eit en- ena enb end ene eng eni enn eno ent eo- eoa eob eod eoe eog eoi eon eoo eot eta etb etd ete etg eti etn eto ett g-d gaa gab gad gae gag gai gan gao gat gba gbd gbe gbg gbi gbn gbo gbt gda gdb gdd gde gdi gdn gdo gdt ge- gea geb ged gee geg gei gen geo get gga ggb ggd ggg ggi ggn ggo ggt gia gib gid gie gig gii gin gio git gna gnb gnd gne gni gnn gno gnt goa gob god goe gog goi gon goo got gta gtb gtd gte gtg gti gtn gto gtt i-d ia- iaa iab iad iae iag iai ian iao iat iba ibb ibd ibe ibg ibi ibn ibo ibt ida idb idd ide idg idi idn ido idt ie- iea ied iee ieg iei ien iet iga igb igd ige igg igi ign igo igt iia iib iid iie iii iin iio iit in- ina inb ind ine ing ini inn ino int io- ioa iob iod ioe iog ioi ion ioo iot ita itb itd ite itg iti itn ito itt n-i naa nab nad nae nag nai nan nao nat nba nbb nbd nbe nbg nbi nbn nbo nbt nda ndb ndd nde ndg ndi ndn ndo ndt ne- nea neb ned nee neg nei nen neo net nga ngb ngd nge ngg ngi ngn ngo ngt nia nib nid nie nig nii nin nio nit nna nnb nne nng nni nnn nno nnt no- noa nob nod noe nog noi non noo not nta ntb ntd nte ntg nti ntn nto ntt o-i oaa oab oad oae oag oai oan oao oat ob- oba obb obd obe obg obi obn obo obt oda odb odd ode odg odi odn odo odt oea oeb oed oee oeg oei oen oeo oet oga ogd oge ogg ogi ogn ogo ogt oia oib oid oie oii oin oio oit on- ona onb ond one ong oni onn ono ont oo- ooa oob ood oog ooi oon ooo oot ot- ota otb otd ote otg oti otn oto ott taa tab tad tae tag tai tan tao tat tba tbb tbd tbe tbg tbi tbn tbo tbt tda tdb tdd tde tdg tdi tdn tdo tdt te- tea teb ted tee teg tei ten teo tet tga tgb tge tgg tgi tgn tgo tgt tia tib tid tie tig tii tin tio tit tna tnb tnd tne tng tni tnn tno tnt to- toa tob tod toe tog toi ton too tot tta ttb ttd tte ttg tti ttn tto ttt