a-a a-b aaa aab aah aak aam aan aao aap aar ab- aba abb abh abk abm abn abo abp abr aha ahb ahh ahk ahm ahn aho ahp ahr aka akb akh akk akm akn ako akp akr ama amb amh amk amm amn amo amp amr an- ana anb anh ank anm ann ano anp anr aoa aob aoh aok aom aon aoo aop aor ap- apa apb aph apk apm apn apo app apr ar- ara arb arh ark arm arn aro arp arr b-p baa bab bah bak bam ban bao bap bar bba bbb bbh bbk bbm bbn bbo bbp bbr bha bhb bhh bhk bhm bho bhp bhr bka bkb bkk bkm bkn bko bkp bkr bma bmb bmh bmk bmm bmn bmo bmp bmr bna bnb bnk bnn bno bnp bnr boa bob boh bok bom bon boo bop bor bpa bpb bph bpm bpn bpo bpp bpr bra brb brh brk brm brn bro brp brr haa hab hah hak ham han hao hap har hba hbb hbh hbk hbm hbn hbo hbp hbr hha hhb hhh hhk hhm hhn hho hhp hhr hka hkb hkh hkk hkm hkn hko hkp hkr hma hmb hmh hmk hmm hmo hmp hmr hna hnb hnh hnk hnn hno hoa hob hoh hok hom hon hoo hop hor hpa hpb hph hpk hpm hpn hpo hpp hpr hr- hra hrb hrh hrk hrm hrn hro hrp hrr ka- kaa kab kah kak kam kan kao kap kar kba kbb kbh kbk kbm kbn kbo kbp kbr kha khh khk khm khn kho khr kkb kkh kkk kkm kkn kkp kkr kma kmb kmh kmk kmm kmo kmp kn- kna knk knm knn kno knp knr koa kob koh kok kom kon koo kop kor kpa kph kpk kpm kpn kpo kpp kpr kra krk krn kro krp krr m-o m-r maa mab mah mak mam man mao map mar mba mbb mbh mbk mbm mbo mbp mbr mha mhh mhk mhm mhn mho mhp mhr mka mkb mkh mkk mkm mkn mko mkp mkr mma mmb mmh mmk mmm mmn mmo mmp mmr mna mnb mnk mnm mnn mno mnp mnr moa mob moh mok mom mon moo mop mor mpa mpb mph mpk mpm mpn mpo mpp mpr mra mrb mrh mrk mrm mrn mro mrp mrr naa nab nah nak nam nan nao nap nar nba nbb nbk nbm nbn nbo nbp nbr nha nhb nhh nhk nhm nhn nhp nhr nka nkk nkm nkn nko nkp nkr nma nmb nmh nmk nmm nmn nmo nmp nmr nna nnb nnh nnk nnm nnn nno nnp no- noa nob noh nok nom non noo nop nor npa npb nph npm npn npo npp npr nra nrb nrk nrm nrn nro nrp nrr oaa oab oah oak oam oan oao oap oar ob- oba obb obh obk obm obn obo obp obr oha ohh ohm ohn oho ohp ohr oka okb okk oko okp okr om- oma omb omh omm omn omo omp omr on- ona onb onh onk onn ono onp onr oo- ooa oob ooh ook oom oon ooo oop oor op- opa opb oph opk opm opn opo opp opr or- ora orb orh ork orm orn oro orp orr p-p paa pab pah pak pam pan pao pap par pba pbb pbk pbm pbn pbo pbp pbr pha phb phk phm phn pho php phr pka pkb pkm pkn pko pkp pkr pma pmb pmh pmk pmm pmn pmo pmp pmr pn- pna pnb pnh pnk pnm pnn pno pnp pnr poa pob poh pok pom pon poo pop por ppa ppb pph ppk ppm ppn ppo ppp ppr pra prb prh prk prm prn pro prp prr ra- raa rab rah rak ram ran rao rap rar rba rbb rbh rbk rbm rbn rbo rbp rbr rh- rha rhb rhh rhm rhn rho rhp rhr rkb rkk rkm rko rkp rma rmb rmh rmm rmn rmo rmp rmr rna rnb rnh rnm rnn rno rnp rnr roa rob roh rok rom ron roo rop ror rpa rpb rph rpk rpm rpn rpo rpp rpr rra rrb rrh rrk rrm rrn rrp rrr