a-a a-b aaa aab aad aae aah aap aav ab- aba abb abd abe abh abp abv ad- ada adb add ade adh adp adv aea aeb aed aee aeh aep aev aha ahb ahd ahe ahh ahp ahv ap- apa apb apd ape aph app apv av- ava avb avd ave avh avp b-p baa bab bad bae bah bap bav bba bbb bbd bbe bbh bbp bda bdb bdd bde bdh bdp bdv be- bea beb bed bee beh bep bev bha bhb bhd bhe bhh bhp bhv bpa bpb bpd bpe bph bpp bpv bva bvb bvd bve bvh bvp bvv daa dab dad dae dah dap dav dba dbb dbd dbe dbh dbp dbv dda ddb ddd dde ddh ddp de- dea deb ded dee deh dep dev dh- dha dhb dhd dhe dhh dhp dpa dpb dpd dpe dph dpp dpv dva dvb dvd dve dvh dvp eaa eab ead eae eah eap eav eba ebb ebd ebe ebh ebp ebv ed- eda edb edd ede edh edp eea eeb eed eee eep eev eha ehb ehd ehe ehh ehp ehv ep- epa epb epd epe eph epp eva evb evd eve evh evp evv haa hab had hae hah hap hav hba hbb hbd hbe hbh hbp hbv hda hdb hdd hde hdh hdp hdv he- hea heb hed hee heh hep hev hha hhb hhd hhe hhh hhp hhv hpa hpb hpd hpe hph hpp hpv hv- hva hvb hvd hvp hvv p-p paa pab pad pae pah pap pav pba pbb pbd pbe pbp pda pdb pdd pde pdh pdp pdv pea peb ped pee peh pep pev pha phb phd phe php phv ppa ppb ppd ppe pph ppp ppv pva pvb pvd pve pvh pvp pvv v-a v-e vaa vab vad vae vah vap vav vba vbd vbh vbv vdb vdd vde vdh vdp vdv vea veb ved vee veh vep vh- vha vhb vhd vhe vhp vpa vpb vpd vpe vph vpp vva vvb vvv