a-a a-z aaa aak aan aao aap aar aay aaz aka akk akn ako akp akr an- ana ank ann ano anp anr any anz aoa aok aon aoo aop aor ap- apa apk apn apo app apr apy ar- ara ark arn aro arp arr ary arz ay- aya ayk ayn ayo ayp ayr ayz az- aza azn azo azp azy azz k-z ka- kaa kak kan kao kap kar kay kaz kkk kkn kkp kkr kky kn- kna knk knn kno knp knr koa kok kon koo kop kor koy koz kpa kpk kpn kpo kpp kpr kra krk krn kro krp krr kry kya kyn kyo kyp kyr kyz kzo kzy naa nak nan nao nap nar nay naz nka nkk nkn nko nkp nkr nky nna nnk nnn nno nnp nnz no- noa nok non noo nop nor noy noz npa npn npo npp npr npz nra nrk nrn nro nrp nrr nry nrz nya nyk nyn nyo nyp nyy nzo nzp nzz oaa oak oan oao oap oar oka okk oko okp okr on- ona onk onn ono onp onr ony oo- ooa ook oon ooo oop oor op- opa opk opn opo opp opr opy or- ora ork orn oro orp orr ory orz oya oyo oza ozo ozz p-p paa pak pan pao pap par pay paz pka pkn pko pkp pkr pky pn- pna pnk pnn pno pnp pnr pny poa pok pon poo pop por poy poz ppa ppk ppn ppo ppp ppr ppz pra prk prn pro prp prr pry prz py- pya pyk pyn pyo pyr pzk pzp ra- raa rak ran rao rap rar ray raz rkk rko rkp rky rkz rna rnn rno rnp rnr rny rnz roa rok ron roo rop ror roy roz rpa rpk rpn rpo rpp rpr rpz rra rrk rrn rrp rrr ry- rya ryk ryn ryo ryr ryy ryz rza rzo rzy yaa yak yan yao yap yar yay yaz yka ykk ykn yna ynk ynn ynp yny yok yon yoo yop yor yoy ypa ypo yra yrn yro yrp yyy yyz yzr yzy zaa zak zan zao zap zar zay zaz zka znn zno znp zo- zoa zok zon zoo zor zpo zpp zpr zro zrp zzr zzy zzz