a-a aaa aad aah aak aan aao aar ad- ada add adh adk adn ado adr aha ahd ahh ahk ahn aho ahr aka akd akh akk akn ako akr an- ana and anh ank ann ano anr aoa aod aoh aok aon aoo aor ar- ara ard arh ark arn aro arr daa dad dah dak dan dao dar dda ddd ddh ddk ddn ddo ddr dh- dha dhd dhh dhk dho dhr dka dkk dko dkr dna dnd dnh dnk dnn dno dnr doa dod doh dok don doo dor dra drd drk drn dro drr haa had hah hak han hao har hda hdd hdh hdk hdn hdo hdr 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 hr- hra hrd hrh hrk hrn hro hrr ka- kaa kad kah kak kan kao kar kda kdh kdk kdo kdr kha khh khk khn kho khr kkh kkk kkn kkr kn- kna knd knk knn kno knr koa kod koh kok kon koo kor kra krd krk krn kro krr naa nad nah nak nan nao nar 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 nra nrd nrk nrn nro nrr oaa oad oah oak oan oao oar 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 oo- ooa ood ooh ook oon ooo oor or- ora ord orh ork orn oro orr ra- raa rad rah rak ran rao rar rda rdd rdh rdn rdo rdr rh- rha rhd rhh rhn rho rhr rkk rko rna rnd rnh rnn rno rnr roa rod roh rok ron roo ror rra rrd rrh rrk rrn rrr