a-a aaa aad aah aak aan aao aar aax ad- ada add adh adk adn ado adr adx aha ahd ahh ahk ahn aho ahr ahx aka akd akh akk akn ako akr an- ana and anh ank ann ano anr anx aoa aod aoh aok aon aoo aor aox ar- ara ard arh ark arn aro arr arx ax- axa axh axk axn axo axr axx daa dad dah dak dan dao dar dax dda ddd ddh ddk ddn ddo ddr ddx dh- dha dhd dhh dhk dho dhr dka dkk dko dkr dkx dna dnd dnh dnk dnn dno dnr doa dod doh dok don doo dor dox dra drd drk drn dro drr drx dxd dxn dxo dxr dxx haa had hah hak han hao har hax hda hdd hdh hdk hdn hdo hdr hdx hha hhd hhh hhk hhn hho hhr hka hkd hkh hkk hkn hko hkr hna hnd hnh hnk hnn hno hoa hod hoh hok hon hoo hor hox hr- hra hrd hrh hrk hrn hro hrr hxd ka- kaa kad kah kak kan kao kar kax kda kdh kdk kdo kdr kdx kha khh khk khn kho khr kkh kkk kkn kkr kn- kna knd knk knn kno knr knx koa kod koh kok kon koo kor kra krd krk krn kro krr kxo naa nad nah nak nan nao nar nax nda ndd ndh ndk ndn ndo ndr nha nhd nhh nhk nhn nhr nka nkk nkn nko nkr nna nnh nnk nnn nno no- noa nod noh nok non noo nor nox nra nrd nrk nrn nro nrr nrx nxd oaa oad oah oak oan oao oar oax oda odd odh odn odo odr oha ohd ohh ohn oho ohr oka okd okk oko okr on- ona ond onh onk onn ono onr onx oo- ooa ood ooh ook oon ooo oor oox or- ora ord orh ork orn oro orr orx ox- oxa oxn oxo oxx ra- raa rad rah rak ran rao rar rax rda rdd rdh rdn rdo rdr rdx rh- rha rhd rhh rhn rho rhr rkk rko rna rnd rnh rnn rno rnr roa rod roh rok ron roo ror rox rra rrd rrh rrk rrn rrr rxr xaa xad xak xan xar xda xdh xdk xdr xhd xna xnk xno xoa xod xok xon xoo xor xox xrd xrx xxo xxx