a-a a-b aaa aab aad aak aan aao aau aav aay ab- aba abb abd abk abn abo abu abv aby ad- ada adb add adk adn ado adu adv ady aka akb akd akk akn ako aku akv an- ana anb and ank ann ano anu anv any aoa aob aod aok aon aoo aou aov au- aua aub aud auk aun auo auv av- ava avb avd avk avn avo avu avy ay- aya ayd ayk ayn ayo ayu b-u baa bab bad bak ban bao bau bav bay bba bbb bbd bbk bbn bbo bbu bby bda bdb bdd bdk bdo bdu bdv bdy bka bkb bkk bkn bko bkv bna bnb bnd bnk bnn bno bnu bnv boa bob bod bok bon boo bou bov boy bua bub bud buk bun buo buu buy bva bvb bvd bvk bvn bvo bvu bvv by- bya byd byk byn byo byu daa dab dad dak dan dao dau dav day dba dbb dbd dbk dbn dbo dbu dbv dby dda ddb ddd ddk ddn ddo ddu ddy dka dkb dkk dko dku dna dnb dnd dnk dnn dno dny doa dob dod dok don doo dou dov doy dua dub dud duk dun duo duv duy dva dvb dvd dvk dvn dvu dy- dya dyb dyd dyk dyn dyo dyu dyy ka- kaa kab kad kak kan kao kau kav kay kba kbb kbd kbk kbn kbo kbu kda kdb kdk kdo kdu kdy kkb kkk kkn kku kkv kky kn- kna knd knk knn kno knu koa kob kod kok kon koo kou koy kub kud kuk kun kuu kuy kva kvb kvk kvn kvo kvv kya kyd kyn kyo kyu naa nab nad nak nan nao nau nav nay nba nbb nbd nbk nbn nbo nbu nbv nda ndb ndd ndk ndn ndo ndu ndv ndy nka nkk nkn nko nku nky nna nnb nnk nnn nno nnu nnv no- noa nob nod nok non noo nou nov noy nua nub nud nuk nun nuo nuu nuv nuy nva nvb nvd nvk nvn nvu nvv nya nyd nyk nyn nyo nyu nyy oaa oab oad oak oan oao oau oav ob- oba obb obd obk obn obo obu obv oby oda odb odd odn odo odu odv oka okb okd okk oko oku on- ona onb ond onk onn ono onu ony oo- ooa oob ood ook oon ooo oov ou- oua oud ouk oun ouo ov- ova ovb ovd ovo ovv oya oyd oyo ua- uaa uab uad uak uan uao uau uav uay uba ubb ubk ubn ubo ubu ubv uby uda udb udd udk udn udo udu udv uka ukb ukk ukn uku un- una unb und unk unn uno unu unv uny uoa uob uod uok uon uoo uua uun uuu uva uvb uvo uvu uvv uyo uyu v-a vaa vab vad vak van vao vau vav vay vba vbd vbk vbo vbv vdb vdd vdk vdo vdu vdv vka vkb vn- vna vnd vno vnu vnv voa vob vod vok von voo vou vov voy vuk vuv vva vvb vvo vvv vyd vyn yaa yab yad yak yan yao yau yav yay yby yda ydn ydo ydy yka ykk ykn yna ynd ynk ynn ynu yny yob yod yok yon yoo you yoy yua yud yuk yun yuo yuu yuv yuy yva yvo yvy yyb yyu yyy