a-a a-b aaa aab aaj aan aao aap ab- aba abb abj abn abo abp aja ajb ajj ajn ajo ajp an- ana anb anj ann ano anp aoa aob aoj aon aoo aop ap- apa apb apj apn apo app b-p baa bab baj ban bao bap bba bbb bbn bbo bbp bja bjj bjn bjp bna bnb bnj bnn bno bnp boa bob boj bon boo bop bpa bpb bpn bpo bpp jaa jab jaj jan jao jap jba jbj jbo jja jjb jjj jjp jna jnj jnn jno jnp joa job joj jon joo jop jpa jpb jpj jpn jpo jpp naa nab naj nan nao nap nba nbb nbn nbo nbp nja njn njp nna nnb nnn nno nnp no- noa nob noj non noo nop npa npb npn npo npp oaa oab oaj oan oao oap ob- oba obb obj obn obo obp oja ojb ojo on- ona onb onj onn ono onp oo- ooa oob oon ooo oop op- opa opb opj opn opo opp p-p paa pab paj pan pao pap pba pbb pbj pbn pbo pbp pja pjo pjp pn- pna pnb pnn pno pnp poa pob pon poo pop ppa ppb ppj ppn ppo ppp