-th a-a a-b a-t aaa aab aah aam aan aao aas aat ab- aba abb abh abm abn abo abs abt aha ahb ahh ahm ahn aho ahs aht ama amb amh amm amn amo ams amt an- ana anb anh anm ann ano ans ant aoa aob aoh aom aon aoo aos aot as- asa asb ash asm asn aso ass ast at- ata atb ath atm atn ato ats att baa bab bah bam ban bao bas bat bba bbb bbh bbm bbn bbo bbs bbt bha bhb bhh bhm bho bhs bht bma bmb bmh bmm bmn bmo bms bmt bna bnb bnn bno bns bnt boa bob boh bom bon boo bos bot bsa bsb bsh bsm bsn bso bss bst bta btb bth btm btn bto bts btt haa hab hah ham han hao has hat hba hbb hbh hbm hbn hbo hbs hbt hha hhb hhh hhm hhn hho hhs hht hma hmb hmh hmm hmo hms hmt hna hnb hnh hnn hno hns hnt hoa hob hoh hom hon hoo hos hot hsa hsb hsh hsm hsn hss hst hta htb hth htm htn hto hts htt m-o maa mab mah mam man mao mas mat mba mbb mbh mbm mbo mbs mbt mha mhh mhm mhn mho mhs mht mma mmb mmh mmm mmn mmo mms mmt mna mnb mnm mnn mno mns mnt moa mob moh mom mon moo mos mot msa msb msh msm msn mso mss mst mta mtb mth mtm mtn mto mts mtt naa nab nah nam nan nao nas nat nba nbb nbm nbn nbo nbs nbt nha nhb nhh nhm nhn nhs nht nma nmb nmh nmm nmn nmo nms nmt nna nnb nnh nnm nnn nno nns nnt no- noa nob noh nom non noo nos not nsa nsb nsh nsm nsn nso nss nst nta ntb nth ntm ntn nto nts ntt oaa oab oah oam oan oao oas oat ob- oba obb obh obm obn obo obs obt oha ohh ohm ohn oho ohs oht om- oma omb omh omm omn omo oms omt on- ona onb onh onn ono ons ont oo- ooa oob ooh oom oon ooo oos oot os- osa osb osh osm osn oso oss ost ot- ota otb oth otm otn oto ots ott saa sab sah sam san sao sas sat sba sbb sbh sbm sbn sbo sbs sbt sh- sha shb shh shm shn sho shs sht sma smb smh smm smn smo sms smt sna snb snm snn sno sns snt soa sob soh som son soo sos sot ss- ssa ssb ssh ssm ssn sso sss sst sta stb sth stm stn sto sts stt taa tab tah tam tan tao tas tat tba tbb tbh tbm tbn tbo tbs tbt th- tha thb thh thm thn tho ths tht tma tmb tmh tmm tmn tmo tms tmt tna tnb tnh tnm tnn tno tns tnt to- toa tob toh tom ton too tos tot tsa tsb tsh tsm tsn tso tss tst tta ttb tth ttm ttn tto tts ttt