a-a a-b a-i aaa aab aad aah aai aak aar ab- aba abb abd abh abi abk abr ad- ada adb add adh adi adk adr aha ahb ahd ahh ahi ahk ahr ai- aia aib aid aih aii aik air aka akb akd akh aki akk akr ar- ara arb ard arh ari ark arr baa bab bad bah bai bak bar bba bbb bbd bbh bbi bbk bbr bda bdb bdd bdh bdi bdk bdr bha bhb bhd bhh bhi bhk bhr bi- bia bib bid bih bii bik bir bka bkb bkk bkr bra brb brd brh bri brk brr daa dab dad dah dai dak dar dba dbb dbd dbh dbi dbk dbr dda ddb ddd ddh ddi ddk ddr dh- dha dhb dhd dhh dhi dhk dhr di- dia dib did dih dii dik dir dka dkb dki dkk dkr dra drb drd dri drk drr h-i haa hab had hah hai hak har hba hbb hbd hbh hbi hbk hbr hda hdb hdd hdh hdi hdk hdr hha hhb hhd hhh hhi hhk hhr hia hib hid hih hii hik hir hka hkb hkd hkh hki hkk hkr hr- hra hrb hrd hrh hri hrk hrr i-d ia- iaa iab iad iah iai iar iba ibb ibd ibh ibi ibk ibr ida idb idd idh idi idk idr iha ihb ihd ihh ihi ihk ihr iia iib iid iih iii iir ika ikb iki ikk ikr ir- ira irb ird iri irk irr ka- kaa kab kad kah kai kak kar kba kbb kbd kbh kbi kbk kbr kda kdb kdh kdk kdr kha khh khi khk khr kia kib kid kih kii kik kir kkb kkh kki kkk kkr kra krd kri krk krr ra- raa rab rad rah rai rak rar rba rbb rbd rbh rbi rbk rbr rda rdb rdd rdh rdi rdr rh- rha rhb rhd rhh rhi rhr ria rib rid rih rii rik rir rkb rkk rra rrb rrd rrh rri rrk rrr