a-a a-b aaa aab aad aah aam aan aao aap ab- aba abb abd abh abm abn abo abp ad- ada adb add adh adm adn ado adp aha ahb ahd ahh ahm ahn aho ahp ama amb amd amh amm amn amo amp an- ana anb and anh anm ann ano anp aoa aob aod aoh aom aon aoo aop ap- apa apb apd aph apm apn apo app b-p baa bab bad bah bam ban bao bap bba bbb bbd bbh bbm bbn bbo bbp bda bdb bdd bdh bdm bdo bdp bha bhb bhd bhh bhm bho bhp bma bmb bmd bmh bmm bmn bmo bmp bna bnb bnd bnn bno bnp boa bob bod boh bom bon boo bop bpa bpb bpd bph bpm bpn bpo bpp daa dab dad dah dam dan dao dap dba dbb dbd dbh dbm dbn dbo dbp dda ddb ddd ddh ddm ddn ddo ddp dh- dha dhb dhd dhh dhm dho dhp dma dmb dmd dmh dmm dmn dmo dmp dna dnb dnd dnh dnm dnn dno dnp doa dob dod doh dom don doo dop dpa dpb dpd dph dpm dpn dpo dpp haa hab had hah ham han hao hap hba hbb hbd hbh hbm hbn hbo hbp hda hdb hdd hdh hdm hdn hdo hdp hha hhb hhd hhh hhm hhn hho hhp hma hmb hmd hmh hmm hmo hmp hna hnb hnd hnh hnn hno hoa hob hod hoh hom hon hoo hop hpa hpb hpd hph hpm hpn hpo hpp m-o maa mab mad mah mam man mao map mba mbb mbd mbh mbm mbo mbp mda mdb mdd mdh mdm mdn mdo mdp mha mhd mhh mhm mhn mho mhp mma mmb mmd mmh mmm mmn mmo mmp mna mnb mnm mnn mno mnp moa mob mod moh mom mon moo mop mpa mpb mpd mph mpm mpn mpo mpp naa nab nad nah nam nan nao nap nba nbb nbd nbm nbn nbo nbp nda ndb ndd ndh ndm ndn ndo ndp nha nhb nhd nhh nhm nhn nhp nma nmb nmd nmh nmm nmn nmo nmp nna nnb nnh nnm nnn nno nnp no- noa nob nod noh nom non noo nop npa npb npd nph npm npn npo npp oaa oab oad oah oam oan oao oap ob- oba obb obd obh obm obn obo obp oda odb odd odh odm odn odo odp oha ohd ohh ohm ohn oho ohp om- oma omb omd omh omm omn omo omp on- ona onb ond onh onn ono onp oo- ooa oob ood ooh oom oon ooo oop op- opa opb opd oph opm opn opo opp p-p paa pab pad pah pam pan pao pap pba pbb pbd pbm pbn pbo pbp pda pdb pdd pdh pdm pdn pdo pdp pha phb phd phm phn pho php pma pmb pmd pmh pmm pmn pmo pmp pn- pna pnb pnd pnh pnm pnn pno pnp poa pob pod poh pom pon poo pop ppa ppb ppd pph ppm ppn ppo ppp