a-a a-b aaa aab aad aae aah aaj aak aav ab- aba abb abd abe abh abj abk abv ad- ada adb add ade adh adj adk adv aea aeb aed aee aeh aej aek aev aha ahb ahd ahe ahh ahj ahk ahv aja ajb ajd aje ajh ajj ajk aka akb akd ake akh akj akk akv av- ava avb avd ave avh avk baa bab bad bae bah baj bak bav bba bbb bbd bbe bbh bbk bda bdb bdd bde bdh bdj bdk bdv be- bea beb bed bee beh bek bev bha bhb bhd bhe bhh bhj bhk bhv bja bjd bjj bjk bka bkb bke bkk bkv bva bvb bvd bve bvh bvk bvv daa dab dad dae dah daj dak dav dba dbb dbd dbe dbh dbk dbv dda ddb ddd dde ddh ddk de- dea deb ded dee deh dej dek dev dh- dha dhb dhd dhe dhh dhk dj- dja djb djd dje djk djv dka dkb dke dkk dva dvb dvd dve dvh dvj dvk eaa eab ead eae eah eaj eak eav eba ebb ebd ebe ebh ebj ebk ebv ed- eda edb edd ede edh edj edk eea eeb eed eee eek eev eha ehb ehd ehe ehh ehv eja ejd eka ekb ekd eke ekh ekv eva evb evd eve evh evv haa hab had hae hah haj hak hav hba hbb hbd hbe hbh hbj hbk hbv hda hdb hdd hde hdh hdk hdv he- hea heb hed hee heh hej hek hev hha hhb hhd hhe hhh hhj hhk hhv hja hjk hjv hka hkb hkd hkh hkk hv- hva hvb hvd hvj hvk hvv j-d jaa jab jad jae jah jaj jak jav jba jbj jbk jda jdb jde jdh jdv jea jeb jed jee jeh jej jek jha jhd jhe jhj jja jjb jjj jjk jka jkb jkh jkk jkv jvb ka- kaa kab kad kae kah kaj kak kav kba kbb kbd kbe kbh kbk kda kdb kde kdh kdk ke- kea keb ked kee keh kek kev kha khe khh khj khk khv kjb kje kkb kke kkh kkk kkv kva kvb kvh kvk kvv v-a v-e vaa vab vad vae vah vaj vak vav vba vbd vbh vbk vbv vdb vdd vde vdh vdj vdk vdv vea veb ved vee veh vek vh- vha vhb vhd vhe vja vka vkb vva vvb vvv