a-a a-b a-c aaa aab aac aah aam aan aap ab- aba abb abc abh abm abn abp ac- aca acb acc ach acm acn acp aha ahb ahc ahh ahm ahn ahp ama amb amc amh amm amn amp an- ana anb anc anh anm ann anp ap- apa apb apc aph apm apn app b-p baa bab bac bah bam ban bap bba bbb bbc bbh bbm bbn bbp bca bcb bcc bch bcm bcn bcp bha bhb bhc bhh bhm bhp bma bmb bmc bmh bmm bmn bmp bna bnb bnc bnn bnp bpa bpb bpc bph bpm bpn bpp c-- caa cab cac cah cam can cap cba cbb cbc cbh cbm cbn cbp cca ccb ccc cch ccm ccn ccp ch- cha chb chc chh chm chn chp cma cmb cmc cmh cmm cmn cmp cn- cna cnb cnc cnh cnm cnn cnp cpa cpb cpc cph cpm cpn cpp haa hab hac hah ham han hap hba hbb hbc hbh hbm hbn hbp hca hcb hcc hch hcm hcn hcp hha hhb hhc hhh hhm hhn hhp hma hmb hmc hmh hmm hmp hna hnb hnc hnh hnn hpa hpb hpc hph hpm hpn hpp maa mab mac mah mam man map mba mbb mbc mbh mbm mbp mc- mca mcb mcc mch mcm mcn mcp mha mhc mhh mhm mhn mhp mma mmb mmc mmh mmm mmn mmp mna mnb mnc mnm mnn mnp mpa mpb mpc mph mpm mpn mpp naa nab nac nah nam nan nap nba nbb nbc nbm nbn nbp nca ncb ncc nch ncm ncn ncp nha nhb nhc nhh nhm nhn nhp nma nmb nmc nmh nmm nmn nmp nna nnb nnc nnh nnm nnn nnp npa npb npc nph npm npn npp p-p paa pab pac pah pam pan pap pba pbb pbc pbm pbn pbp pca pcb pcc pch pcm pcn pcp pha phb phc phm phn php pma pmb pmc pmh pmm pmn pmp pn- pna pnb pnc pnh pnm pnn pnp ppa ppb ppc pph ppm ppn ppp