-th a-a a-b a-t aaa aab aah aao aap aat aay ab- aba abb abh abo abp abt aby aha ahb ahh aho ahp aht ahy aoa aob aoh aoo aop aot ap- apa apb aph apo app apt apy at- ata atb ath ato atp att ay- aya ayh ayo ayp ayt b-p baa bab bah bao bap bat bay bba bbb bbh bbo bbp bbt bby bha bhb bhh bho bhp bht boa bob boh boo bop bot boy bpa bpb bph bpo bpp bpt bpy bta btb bth bto btp btt bty by- bya byh byo byp byt haa hab hah hao hap hat hay hba hbb hbh hbo hbp hbt hby hha hhb hhh hho hhp hht hhy hoa hob hoh hoo hop hot hoy hpa hpb hph hpo hpp hpt hpy hta htb hth hto htp htt hty hy- hya hyb hyh hyo hyp hyt hyy oaa oab oah oao oap oat ob- oba obb obh obo obp obt oby oha ohh oho ohp oht oo- ooa oob ooh ooo oop oot op- opa opb oph opo opp opt opy ot- ota otb oth oto otp ott oya oyo p-p paa pab pah pao pap pat pay pba pbb pbo pbp pbt pby pha phb pho php pht phy poa pob poh poo pop pot poy ppa ppb pph ppo ppp ppt pt- pta ptb pth pto ptp ptt pty py- pya pyb pyo pyt taa tab tah tao tap tat tay tba tbb tbh tbo tbp tbt th- tha thb thh tho thp tht thy to- toa tob toh too top tot toy tpa tpb tph tpo tpp tpt tta ttb tth tto ttp ttt tty tya tyo typ tyt yaa yab yah yao yap yat yay ybp yby yha yht yob yoo yop yot yoy ypa ypo yta yth yto ytp ytt yyb yyt yyy