a-a a-b a-i aaa aab aad aah aai aak aan aao aar ab- aba abb abd abh abi abk abn abo abr ad- ada adb add adh adi adk adn ado adr aha ahb ahd ahh ahi ahk ahn aho ahr ai- aia aib aid aih aii aik ain aio air aka akb akd akh aki akk akn ako akr an- ana anb and anh ani ank ann ano anr aoa aob aod aoh aoi aok aon aoo aor ar- ara arb ard arh ari ark arn aro arr baa bab bad bah bai bak ban bao bar bba bbb bbd bbh bbi bbk bbn bbo bbr bda bdb bdd bdh bdi bdk bdo bdr bha bhb bhd bhh bhi bhk bho bhr bi- bia bib bid bih bii bik bin bio bir bka bkb bkk bkn bko bkr bna bnb bnd bni bnk bnn bno bnr boa bob bod boh boi bok bon boo bor bra brb brd brh bri brk brn bro brr daa dab dad dah dai dak dan dao dar dba dbb dbd dbh dbi dbk dbn dbo dbr dda ddb ddd ddh ddi ddk ddn ddo ddr dh- dha dhb dhd dhh dhi dhk dho dhr di- dia dib did dih dii dik din dio dir dka dkb dki dkk dko dkr dna dnb dnd dnh dni dnk dnn dno dnr doa dob dod doh doi dok don doo dor dra drb drd dri drk drn dro drr h-i haa hab had hah hai hak han hao har hba hbb hbd hbh hbi hbk hbn hbo hbr hda hdb hdd hdh hdi hdk hdn hdo hdr hha hhb hhd hhh hhi hhk hhn hho hhr hia hib hid hih hii hik hin hio hir hka hkb hkd hkh hki hkk hkn hko hkr hna hnb hnd hnh hnk hnn hno hoa hob hod hoh hoi hok hon hoo hor hr- hra hrb hrd hrh hri hrk hrn hro hrr i-d ia- iaa iab iad iah iai ian iao iar iba ibb ibd ibh ibi ibk ibn ibo ibr ida idb idd idh idi idk idn ido idr iha ihb ihd ihh ihi ihk ihn iho ihr iia iib iid iih iii iin iio iir ika ikb iki ikk iko ikr in- ina inb ind inh ini ink inn ino inr io- ioa iob iod ioh ioi ion ioo ior ir- ira irb ird iri irk irn iro irr ka- kaa kab kad kah kai kak kan kao kar kba kbb kbd kbh kbi kbk kbn kbo kbr kda kdb kdh kdk kdo kdr kha khh khi khk khn kho khr kia kib kid kih kii kik kin kio kir kkb kkh kki kkk kkn kkr kn- kna knd kni knk knn kno knr koa kob kod koh koi kok kon koo kor kra krd kri krk krn kro krr n-i naa nab nad nah nai nak nan nao nar nba nbb nbd nbi nbk nbn nbo nbr nda ndb ndd ndh ndi ndk ndn ndo ndr nha nhb nhd nhh nhi nhk nhn nhr nia nib nid nih nii nik nin nio nir nka nki nkk nkn nko nkr nna nnb nnh nni nnk nnn nno no- noa nob nod noh noi nok non noo nor nra nrb nrd nri nrk nrn nro nrr o-i oaa oab oad oah oai oak oan oao oar ob- oba obb obd obh obi obk obn obo obr oda odb odd odh odi odn odo odr oha ohd ohh ohi ohn oho ohr oia oib oid oii oik oin oio oir oka okb okd oki okk oko okr on- ona onb ond onh oni onk onn ono onr oo- ooa oob ood ooh ooi ook oon ooo oor or- ora orb ord orh ori ork orn oro orr ra- raa rab rad rah rai rak ran rao rar rba rbb rbd rbh rbi rbk rbn rbo rbr rda rdb rdd rdh rdi rdn rdo rdr rh- rha rhb rhd rhh rhi rhn rho rhr ria rib rid rih rii rik rin rio rir rkb rkk rko rna rnb rnd rnh rni rnn rno rnr roa rob rod roh roi rok ron roo ror rra rrb rrd rrh rri rrk rrn rrr