a-a a-b a-i a-t aaa aab aad aag aai aao aat aau ab- aba abb abd abg abi abo abt abu ad- ada adb add adg adi ado adt adu ag- aga agb agd agg agi ago agt agu ai- aia aib aid aig aii aio ait aiu aoa aob aod aog aoi aoo aot aou at- ata atb atd atg ati ato att atu au- aua aub aud aug aui auo aut b-u baa bab bad bag bai bao bat bau bba bbb bbd bbg bbi bbo bbt bbu bda bdb bdd bdg bdi bdo bdt bdu bga bgb bgd bgg bgi bgo bgt bgu bi- bia bib bid big bii bio bit biu boa bob bod bog boi boo bot bou bta btb btd btg bti bto btt btu bua bub bud bug bui buo but buu daa dab dad dag dai dao dat dau dba dbb dbd dbg dbi dbo dbt dbu dda ddb ddd ddg ddi ddo ddt ddu dga dgd dgg dgi dgt dgu di- dia dib did dig dii dio dit diu doa dob dod dog doi doo dot dou dta dtb dtd dtg dti dto dtt dtu dua dub dud dug dui duo dut g-d gaa gab gad gag gai gao gat gau gba gbd gbg gbi gbo gbt gbu gda gdb gdd gdi gdo gdt gdu gga ggb ggd ggg ggi ggo ggt ggu gia gib gid gig gii gio git giu goa gob god gog goi goo got gou gta gtb gtd gtg gti gto gtt gtu gu- gua gub gud gug gui guo gut guu i-d ia- iaa iab iad iag iai iao iat iau iba ibb ibd ibg ibi ibo ibt ibu ida idb idd idg idi ido idt idu iga igb igd igg igi igo igt igu iia iib iid iii iio iit iiu io- ioa iob iod iog ioi ioo iot iou ita itb itd itg iti ito itt itu iu- iua iub iud iug iui iut o-i oaa oab oad oag oai oao oat oau ob- oba obb obd obg obi obo obt obu oda odb odd odg odi odo odt odu oga ogd ogg ogi ogo ogt oia oib oid oii oio oit oiu oo- ooa oob ood oog ooi ooo oot ot- ota otb otd otg oti oto ott otu ou- oua oud oui ouo out taa tab tad tag tai tao tat tau tba tbb tbd tbg tbi tbo tbt tbu tda tdb tdd tdg tdi tdo tdt tdu tga tgb tgg tgi tgo tgt tgu tia tib tid tig tii tio tit tiu to- toa tob tod tog toi too tot tou tta ttb ttd ttg tti tto ttt ttu tua tub tud tug tui tuo tut tuu ua- uaa uab uad uag uai uao uat uau uba ubb ubg ubi ubo ubt ubu uda udb udd udg udi udo udt udu uga ugb ugg ugi ugo ugt ugu uia uib uid uig uii uio uit uiu uoa uob uod uog uoo uot uta utb utd uti uto utt utu uua uug uut uuu