a-a a-b a-t a-z aaa aab aaj aao aas aat aau aaz ab- aba abb abj abo abs abt abu abz aja ajb ajj ajo ajs ajt aju aoa aob aoj aoo aos aot aou as- asa asb asj aso ass ast asu asz at- ata atb ato ats att atu atz au- aua aub auj auo aus aut auz az- aza azb azo azs azt azu azz b-u baa bab baj bao bas bat bau baz bba bbb bbo bbs bbt bbu bja bjj bjs bjt bju boa bob boj boo bos bot bou boz bsa bsb bsj bso bss bst bsu bta btb bto bts btt btu btz bua bub buj buo bus but buu buz bza bzo bzs bzu bzz j-z jaa jab jaj jao jas jat jau jaz jba jbj jbo jbs jbt jbu jbz jja jjb jjj jjs jju joa job joj joo jos jot jou jsa jsb jsj jso jss jst jsu jta jtb jts jtt jtu jub juo jus jut juz oaa oab oaj oao oas oat oau ob- oba obb obj obo obs obt obu oja ojb ojo ojs oju oo- ooa oob ooo oos oot os- osa osb osj oso oss ost osu ot- ota otb oto ots ott otu otz ou- oua ouo ous out oza ozo ozs ozt ozu ozz saa sab saj sao sas sat sau saz sba sbb sbj sbo sbs sbt sbu sja sjb sjj sjs sjt sju soa sob soj soo sos sot sou soz ss- ssa ssb ssj sso sss sst ssu ssz sta stb stj sto sts stt stu stz sua sub suo sus sut suu suz sza szu taa tab taj tao tas tat tau taz tba tbb tbj tbo tbs tbt tbu tbz tjo tjs tju to- toa tob toj too tos tot tou toz tsa tsb tsj tso tss tst tsu tta ttb tto tts ttt ttu tua tub tuj tuo tus tut tuu tuz tza tzs tzu ua- uaa uab uaj uao uas uat uau uaz uba ubb ubo ubs ubt ubu ujo ujs uoa uob uoj uoo uos uot usa usb usj uso uss ust usu usz uta utb utj uto uts utt utu utz uua uus uut uuu uza uzb uzo uzu zaa zab zaj zao zas zat zaz zbb zbs zbt zo- zoa zob zoo zos zot zou zsa zst zsu zsz zta zub zus zut zuz zzs zzt zzz