a-a a-b aaa aab aad aae aah aan aap ab- aba abb abd abe abh abn abp ad- ada adb add ade adh adn adp aea aeb aed aee aeh aen aep aha ahb ahd ahe ahh ahn ahp an- ana anb and ane anh ann anp ap- apa apb apd ape aph apn app b-p baa bab bad bae bah ban bap bba bbb bbd bbe bbh bbn bbp bda bdb bdd bde bdh bdp be- bea beb bed bee beh ben bep bha bhb bhd bhe bhh bhp bna bnb bnd bne bnn bnp bpa bpb bpd bpe bph bpn bpp daa dab dad dae dah dan dap dba dbb dbd dbe dbh dbn dbp dda ddb ddd dde ddh ddn ddp de- dea deb ded dee deh den dep dh- dha dhb dhd dhe dhh dhp dna dnb dnd dne dnh dnn dnp dpa dpb dpd dpe dph dpn dpp eaa eab ead eae eah ean eap eba ebb ebd ebe ebh ebn ebp ed- eda edb edd ede edh edn edp eea eeb eed eee een eep eha ehb ehd ehe ehh ehn ehp en- ena enb end ene enh enn enp ep- epa epb epd epe eph epn epp haa hab had hae hah han hap hba hbb hbd hbe hbh hbn hbp hda hdb hdd hde hdh hdn hdp he- hea heb hed hee heh hen hep hha hhb hhd hhe hhh hhn hhp hna hnb hnd hne hnh hnn hpa hpb hpd hpe hph hpn hpp naa nab nad nae nah nan nap nba nbb nbd nbe nbn nbp nda ndb ndd nde ndh ndn ndp ne- nea neb ned nee neh nen nep nha nhb nhd nhe nhh nhn nhp nna nnb nne nnh nnn nnp npa npb npd npe nph npn npp p-p paa pab pad pae pah pan pap pba pbb pbd pbe pbn pbp pda pdb pdd pde pdh pdn pdp pea peb ped pee peh pen pep pha phb phd phe phn php pn- pna pnb pnd pne pnh pnn pnp ppa ppb ppd ppe pph ppn ppp