-th a-a a-b a-t aaa aab aah aam aan aao aar aat ab- aba abb abh abm abn abo abr abt aha ahb ahh ahm ahn aho ahr aht ama amb amh amm amn amo amr amt an- ana anb anh anm ann ano anr ant aoa aob aoh aom aon aoo aor aot ar- ara arb arh arm arn aro arr art at- ata atb ath atm atn ato atr att baa bab bah bam ban bao bar bat bba bbb bbh bbm bbn bbo bbr bbt bha bhb bhh bhm bho bhr bht bma bmb bmh bmm bmn bmo bmr bmt bna bnb bnn bno bnr bnt boa bob boh bom bon boo bor bot bra brb brh brm brn bro brr brt bta btb bth btm btn bto btr btt haa hab hah ham han hao har hat hba hbb hbh hbm hbn hbo hbr hbt hha hhb hhh hhm hhn hho hhr hht hma hmb hmh hmm hmo hmr hmt hna hnb hnh hnn hno hnt hoa hob hoh hom hon hoo hor hot hr- hra hrb hrh hrm hrn hro hrr hrt hta htb hth htm htn hto htr htt m-o m-r maa mab mah mam man mao mar mat mba mbb mbh mbm mbo mbr mbt mha mhh mhm mhn mho mhr mht mma mmb mmh mmm mmn mmo mmr mmt mna mnb mnm mnn mno mnr mnt moa mob moh mom mon moo mor mot mra mrb mrh mrm mrn mro mrr mrt mta mtb mth mtm mtn mto mtr mtt naa nab nah nam nan nao nar nat nba nbb nbm nbn nbo nbr nbt nha nhb nhh nhm nhn nhr nht nma nmb nmh nmm nmn nmo nmr nmt nna nnb nnh nnm nnn nno nnt no- noa nob noh nom non noo nor not nra nrb nrm nrn nro nrr nrt nta ntb nth ntm ntn nto ntr ntt oaa oab oah oam oan oao oar oat ob- oba obb obh obm obn obo obr obt oha ohh ohm ohn oho ohr oht om- oma omb omh omm omn omo omr omt on- ona onb onh onn ono onr ont oo- ooa oob ooh oom oon ooo oor oot or- ora orb orh orm orn oro orr ort ot- ota otb oth otm otn oto otr ott ra- raa rab rah ram ran rao rar rat rba rbb rbh rbm rbn rbo rbr rbt rh- rha rhb rhh rhm rhn rho rhr rht rma rmb rmh rmm rmn rmo rmr rmt rna rnb rnh rnm rnn rno rnr rnt roa rob roh rom ron roo ror rot rra rrb rrh rrm rrn rrr rrt rta rtb rtm rtn rto rtr rtt taa tab tah tam tan tao tar tat tba tbb tbh tbm tbn tbo tbr tbt th- tha thb thh thm thn tho thr tht tma tmb tmh tmm tmn tmo tmr tmt tna tnb tnh tnm tnn tno tnr tnt to- toa tob toh tom ton too tor tot tra trb trh trm trn tro trr trt tta ttb tth ttm ttn tto ttr ttt