a-a a-b a-t aaa aab aad aak aam aao aat aau ab- aba abb abd abk abm abo abt abu ad- ada adb add adk adm ado adt adu aka akb akd akk akm ako aku ama amb amd amk amm amo amt amu aoa aob aod aok aom aoo aot aou at- ata atb atd atm ato att atu au- aua aub aud auk aum auo aut b-u baa bab bad bak bam bao bat bau bba bbb bbd bbk bbm bbo bbt bbu bda bdb bdd bdk bdm bdo bdt bdu bka bkb bkk bkm bko bkt bma bmb bmd bmk bmm bmo bmt bmu boa bob bod bok bom boo bot bou bta btb btd btk btm bto btt btu bua bub bud buk bum buo but buu daa dab dad dak dam dao dat dau dba dbb dbd dbk dbm dbo dbt dbu dda ddb ddd ddk ddm ddo ddt ddu dka dkb dkk dkm dko dkt dku dma dmb dmd dmk dmm dmo dmt dmu doa dob dod dok dom doo dot dou dta dtb dtd dtk dtm dto dtt dtu dua dub dud duk dum duo dut k-t ka- kaa kab kad kak kam kao kat kau kba kbb kbd kbk kbm kbo kbu kda kdb kdk kdm kdo kdt kdu kkb kkk kkm kkt kku kma kmb kmd kmk kmm kmo kmt kmu koa kob kod kok kom koo kot kou kta ktb ktk ktm kto ktt ktu kub kud kuk kum kut kuu m-o maa mab mad mak mam mao mat mau mba mbb mbd mbk mbm mbo mbt mbu mda mdb mdd mdk mdm mdo mdt mdu mka mkb mkd mkk mkm mko mkt mku mma mmb mmd mmk mmm mmo mmt mmu moa mob mod mok mom moo mot mou mta mtb mtd mtk mtm mto mtt mtu mua mub mud muk mum mut muu oaa oab oad oak oam oao oat oau ob- oba obb obd obk obm obo obt obu oda odb odd odm odo odt odu oka okb okd okk oko oku om- oma omb omd omm omo omt omu oo- ooa oob ood ook oom ooo oot ot- ota otb otd otk otm oto ott otu ou- oua oud ouk oum ouo out taa tab tad tak tam tao tat tau tba tbb tbd tbk tbm tbo tbt tbu tda tdb tdd tdk tdm tdo tdt tdu tka tkb tkk tkm tko tkt tma tmb tmd tmk tmm tmo tmt tmu to- toa tob tod tok tom too tot tou tta ttb ttd ttk ttm tto ttt ttu tua tub tud tuk tum tuo tut tuu ua- uaa uab uad uak uam uao uat uau uba ubb ubk ubo ubt ubu uda udb udd udk udm udo udt udu uka ukb ukk uku um- uma umb umd umm umo umt umu uoa uob uod uok uom uoo uot uta utb utd utk utm uto utt utu uua uum uut uuu