-er a-a aaa aad aae aah aak aan aar ad- ada add ade adh adk adn adr aea aed aee aeh aek aen aer aha ahd ahe ahh ahk ahn ahr aka akd ake akh akk akn akr an- ana and ane anh ank ann anr ar- ara ard are arh ark arn arr daa dad dae dah dak dan dar dda ddd dde ddh ddk ddn ddr de- dea ded dee deh dek den der dh- dha dhd dhe dhh dhk dhr dka dke dkk dkr dna dnd dne dnh dnk dnn dnr dra drd dre drk drn drr eaa ead eae eah eak ean ear ed- eda edd ede edh edk edn edr eea eed eee eek een eer eha ehd ehe ehh ehn ehr eka ekd eke ekh ekr en- ena end ene enh enk enn enr era erd ere erh erk ern err haa had hae hah hak han har hda hdd hde hdh hdk hdn hdr he- hea hed hee heh hek hen her hha hhd hhe hhh hhk hhn hhr hka hkd hkh hkk hkn hkr hna hnd hne hnh hnk hnn hr- hra hrd hre hrh hrk hrn hrr ka- kaa kad kae kah kak kan kar kda kde kdh kdk kdr ke- kea ked kee keh kek ken ker kha khe khh khk khn khr kke kkh kkk kkn kkr kn- kna knd kne knk knn knr kra krd krk krn krr naa nad nae nah nak nan nar nda ndd nde ndh ndk ndn ndr ne- nea ned nee neh nek nen ner nha nhd nhe nhh nhk nhn nhr nka nke nkk nkn nkr nna nne nnh nnk nnn nra nrd nre nrk nrn nrr ra- raa rad rae rah rak ran rar rda rdd rde rdh rdn rdr re- rea red ree reh rek ren rer rh- rha rhd rhe rhh rhn rhr rke rkk rna rnd rnh rnn rnr rra rrd rrh rrk rrn rrr