a-a a-b aaa aab aah aan aao aap aar aay ab- aba abb abh abn abo abp abr aby aha ahb ahh ahn aho ahp ahr ahy an- ana anb anh ann ano anp anr any aoa aob aoh aon aoo aop aor ap- apa apb aph apn apo app apr apy ar- ara arb arh arn aro arp arr ary ay- aya ayh ayn ayo ayp ayr b-p baa bab bah ban bao bap bar bay bba bbb bbh bbn bbo bbp bbr bby bha bhb bhh bho bhp bhr bna bnb bnn bno bnp bnr boa bob boh bon boo bop bor boy bpa bpb bph bpn bpo bpp bpr bpy bra brb brh brn bro brp brr bry by- bya byh byn byo byp byr haa hab hah han hao hap har hay hba hbb hbh hbn hbo hbp hbr hby hha hhb hhh hhn hho hhp hhr hhy hna hnb hnh hnn hno hny hoa hob hoh hon hoo hop hor hoy hpa hpb hph hpn hpo hpp hpr hpy hr- hra hrb hrh hrn hro hrp hrr hy- hya hyb hyh hyn hyo hyp hyr hyy naa nab nah nan nao nap nar nay nba nbb nbn nbo nbp nbr nha nhb nhh nhn nhp nhr nhy nna nnb nnh nnn nno nnp no- noa nob noh non noo nop nor noy npa npb nph npn npo npp npr nra nrb nrn nro nrp nrr nry nya nyn nyo nyp nyy oaa oab oah oan oao oap oar ob- oba obb obh obn obo obp obr oby oha ohh ohn oho ohp ohr on- ona onb onh onn ono onp onr ony oo- ooa oob ooh oon ooo oop oor op- opa opb oph opn opo opp opr opy or- ora orb orh orn oro orp orr ory oya oyo p-p paa pab pah pan pao pap par pay pba pbb pbn pbo pbp pbr pby pha phb phn pho php phr phy pn- pna pnb pnh pnn pno pnp pnr pny poa pob poh pon poo pop por poy ppa ppb pph ppn ppo ppp ppr pra prb prh prn pro prp prr pry py- pya pyb pyn pyo pyr ra- raa rab rah ran rao rap rar ray rba rbb rbh rbn rbo rbp rbr rh- rha rhb rhh rhn rho rhp rhr rna rnb rnh rnn rno rnp rnr rny roa rob roh ron roo rop ror roy rpa rpb rph rpn rpo rpp rpr rra rrb rrh rrn rrp rrr ry- rya ryn ryo ryr ryy yaa yab yah yan yao yap yar yay ybp ybr yby yha yna ynn ynp yny yob yon yoo yop yor yoy ypa ypo yra yrn yro yrp yyb yyy