a-a a-b aaa aab aah aak aan aap aar ab- aba abb abh abk abn abp abr aha ahb ahh ahk ahn ahp ahr aka akb akh akk akn akp akr an- ana anb anh ank ann anp anr ap- apa apb aph apk apn app apr ar- ara arb arh ark arn arp arr b-p baa bab bah bak ban bap bar bba bbb bbh bbk bbn bbp bbr bha bhb bhh bhk bhp bhr bka bkb bkk bkn bkp bkr bna bnb bnk bnn bnp bnr bpa bpb bph bpn bpp bpr bra brb brh brk brn brp brr haa hab hah hak han hap har hba hbb hbh hbk hbn hbp hbr hha hhb hhh hhk hhn hhp hhr hka hkb hkh hkk hkn hkp hkr hna hnb hnh hnk hnn hpa hpb hph hpk hpn hpp hpr hr- hra hrb hrh hrk hrn hrp hrr ka- kaa kab kah kak kan kap kar kba kbb kbh kbk kbn kbp kbr kha khh khk khn khr kkb kkh kkk kkn kkp kkr kn- kna knk knn knp knr kpa kph kpk kpn kpp kpr kra krk krn krp krr naa nab nah nak nan nap nar nba nbb nbk nbn nbp nbr nha nhb nhh nhk nhn nhp nhr nka nkk nkn nkp nkr nna nnb nnh nnk nnn nnp npa npb nph npn npp npr nra nrb nrk nrn nrp nrr p-p paa pab pah pak pan pap par pba pbb pbk pbn pbp pbr pha phb phk phn php phr pka pkb pkn pkp pkr pn- pna pnb pnh pnk pnn pnp pnr ppa ppb pph ppk ppn ppp ppr pra prb prh prk prn prp prr ra- raa rab rah rak ran rap rar rba rbb rbh rbk rbn rbp rbr rh- rha rhb rhh rhn rhp rhr rkb rkk rkp rna rnb rnh rnn rnp rnr rpa rpb rph rpk rpn rpp rpr rra rrb rrh rrk rrn rrp rrr