-er -ey a-a a-b a-i aaa aab aae aah aai aak aar aay ab- aba abb abe abh abi abk abr aby aea aeb aee aeh aei aek aer aey aha ahb ahe ahh ahi ahk ahr ahy ai- aia aib aie aih aii aik air aiy aka akb ake akh aki akk akr ar- ara arb are arh ari ark arr ary ay- aya aye ayh ayi ayk ayr baa bab bae bah bai bak bar bay bba bbb bbe bbh bbi bbk bbr bby be- bea beb bee beh bei bek ber bey bha bhb bhe bhh bhi bhk bhr bi- bia bib bie bih bii bik bir biy bka bkb bke bkk bkr bra brb bre brh bri brk brr bry by- bya bye byh byi byk byr eaa eab eae eah eai eak ear eba ebb ebe ebh ebi ebk ebr eby eea eeb eee eek eer eey eha ehb ehe ehh ehi ehr eia eib eie eii eik eir eka ekb eke ekh eki ekr eky era erb ere erh eri erk err ery eya eye eyr h-i haa hab hae hah hai hak har hay hba hbb hbe hbh hbi hbk hbr hby he- hea heb hee heh hei hek her hey hha hhb hhe hhh hhi hhk hhr hhy hia hib hie hih hii hik hir hka hkb hkh hki hkk hkr hr- hra hrb hre hrh hri hrk hrr hy- hya hyb hye hyh hyi hyr hyy ia- iaa iab iae iah iai iar iba ibb ibe ibh ibi ibk ibr iby ie- iea iee iei iek ier iey iha ihb ihe ihh ihi ihk ihr ihy iia iib iie iih iii iir ika ikb ike iki ikk ikr ir- ira irb ire iri irk irr iry iya iye iyr iyy ka- kaa kab kae kah kai kak kar kay kba kbb kbe kbh kbi kbk kbr ke- kea keb kee keh kei kek ker key kha khe khh khi khk khr kia kib kie kih kii kik kir kkb kke kkh kki kkk kkr kky kra kri krk krr kry kya kye kyr ra- raa rab rae rah rai rak rar ray rba rbb rbe rbh rbi rbk rbr re- rea reb ree reh rei rek rer rey rh- rha rhb rhe rhh rhi rhr ria rib rie rih rii rik rir riy rkb rke rkk rky rra rrb rrh rri rrk rrr ry- rya rye ryk ryr ryy yaa yab yae yah yai yak yar yay ybe ybi ybr yby yea yeb yee yeh yei yek yer yey yha yhe yhi yie yih yii yir yka yki ykk yra yre yyb yye yyy