a-a aaa aah aan aao aap aar aax aha ahh ahn aho ahp ahr ahx an- ana anh ann ano anp anr anx aoa aoh aon aoo aop aor aox ap- apa aph apn apo app apr apx ar- ara arh arn aro arp arr arx ax- axa axh axn axo axp axr axx haa hah han hao hap har hax hha hhh hhn hho hhp hhr hna hnh hnn hno hoa hoh hon hoo hop hor hox hpa hph hpn hpo hpp hpr hr- hra hrh hrn hro hrp hrr naa nah nan nao nap nar nax nha nhh nhn nhp nhr nna nnh nnn nno nnp no- noa noh non noo nop nor nox npa nph npn npo npp npr nra nrn nro nrp nrr nrx oaa oah oan oao oap oar oax oha ohh ohn oho ohp ohr on- ona onh onn ono onp onr onx oo- ooa ooh oon ooo oop oor oox op- opa oph opn opo opp opr opx or- ora orh orn oro orp orr orx ox- oxa oxn oxo oxx p-p paa pah pan pao pap par pax pha phn pho php phr phx pn- pna pnh pnn pno pnp pnr pnx poa poh pon poo pop por pox ppa pph ppn ppo ppp ppr ppx pra prh prn pro prp prr prx pxr ra- raa rah ran rao rap rar rax rh- rha rhh rhn rho rhp rhr rna rnh rnn rno rnp rnr roa roh ron roo rop ror rox rpa rph rpn rpo rpp rpr rpx rra rrh rrn rrp rrr rxp rxr xaa xan xap xar xhp xna xno xoa xon xoo xop xor xox xpa xpn xpo xpp xrx xxo xxp xxx