a-a aaa aao aap aar aaw aax aay aoa aoo aop aor aow aox ap- apa apo app apr apw apx apy ar- ara aro arp arr arw arx ary aw- awa awo awp awr aww awy ax- axa axo axp axr axx ay- aya ayo ayp ayr ayw ayx oaa oao oap oar oaw oax oo- ooa ooo oop oor oow oox op- opa opo opp opr opw opx opy or- ora oro orp orr orx ory owa owo owp oww ox- oxa oxo oxx oxy oya oyo p-p paa pao pap par paw pax pay poa poo pop por pow pox poy ppa ppo ppp ppr ppw ppx pra pro prp prr prw prx pry pwa pwo pwp pwr pxr py- pya pyo pyr pyx ra- raa rao rap rar raw rax ray roa roo rop ror row rox roy rpa rpo rpp rpr rpw rpx rra rrp rrr rwa rwr rwy rxp rxr ry- rya ryo ryr ryy waa wao wap war waw wax way woa woo wop wor wow wox woy wpa wpo wpp wpr wpx wpy wr- wra wro wrp wrr wrw wrx wry wwa wwo wwp www wxp wxw wxy wy- wya wyo wyp wyr xaa xap xar xoa xoo xop xor xox xpa xpo xpp xpw xrx xry xwa xwp xxo xxp xxx xxy xyp xyr xyy yaa yao yap yar yaw yax yay yoo yop yor yow yox yoy ypa ypo yra yro yrp yxa yxy yyy