a-a a-b aaa aab aad aag aak aan aao aav ab- aba abb abd abg abk abn abo abv ad- ada adb add adg adk adn ado adv ag- aga agb agd agg agk agn ago agv aka akb akd akg akk akn ako akv an- ana anb and ang ank ann ano anv aoa aob aod aog aok aon aoo aov av- ava avb avd avg avk avn avo baa bab bad bag bak ban bao bav bba bbb bbd bbg bbk bbn bbo bda bdb bdd bdg bdk bdo bdv bga bgb bgd bgg bgk bgn bgo bgv bka bkb bkg bkk bkn bko bkv bna bnb bnd bng bnk bnn bno bnv boa bob bod bog bok bon boo bov bva bvb bvd bvg bvk bvn bvo bvv daa dab dad dag dak dan dao dav dba dbb dbd dbg dbk dbn dbo dbv dda ddb ddd ddg ddk ddn ddo dga dgd dgg dgk dgn dka dkb dkg dkk dko dna dnb dnd dng dnk dnn dno doa dob dod dog dok don doo dov dva dvb dvd dvg dvk dvn g-d gaa gab gad gag gak gan gao gav gba gbd gbg gbk gbn gbo gbv gda gdb gdd gdk gdn gdo gdv gga ggb ggd ggg ggn ggo ggv gka gkb gkd gkn gko gna gnb gnd gnn gno gnv goa gob god gog gok gon goo gov gva gvb gvd gvg gvk gvn gvo ka- kaa kab kad kag kak kan kao kav kba kbb kbd kbk kbn kbo kda kdb kdg kdk kdo kga kgb kgd kgo kgv kkb kkk kkn kkv kn- kna knd kng knk knn kno koa kob kod kog kok kon koo kva kvb kvk kvn kvo kvv naa nab nad nag nak nan nao nav nba nbb nbd nbg nbk nbn nbo nbv nda ndb ndd ndg ndk ndn ndo ndv nga ngb ngd ngg ngk ngn ngo nka nkk nkn nko nna nnb nng nnk nnn nno nnv no- noa nob nod nog nok non noo nov nva nvb nvd nvg nvk nvn nvv oaa oab oad oag oak oan oao oav ob- oba obb obd obg obk obn obo obv oda odb odd odg odn odo odv oga ogd ogg ogn ogo oka okb okd okg okk oko on- ona onb ond ong onk onn ono oo- ooa oob ood oog ook oon ooo oov ov- ova ovb ovd ovo ovv v-a vaa vab vad vag vak van vao vav vba vbd vbg vbk vbo vbv vdb vdd vdg vdk vdo vdv vga vgg vgn vgo vka vkb vkg vn- vna vnd vng vno vnv voa vob vod vog vok von voo vov vva vvb vvg vvo vvv