-er -ey a-a a-b a-i aaa aab aae aah aai aar aau aay ab- aba abb abe abh abi abr abu aby aea aeb aee aeh aei aer aeu aey aha ahb ahe ahh ahi ahr ahu ahy ai- aia aib aie aih aii air aiu aiy ar- ara arb are arh ari arr aru ary au- aua aub aue auh aui aur ay- aya aye ayh ayi ayr ayu b-u baa bab bae bah bai bar bau bay bba bbb bbe bbh bbi bbr bbu bby be- bea beb bee beh bei ber beu bey bha bhb bhe bhh bhi bhr bhu bi- bia bib bie bih bii bir biu biy bra brb bre brh bri brr bru bry bua bub bue buh bui bur buu buy by- bya bye byh byi byr byu eaa eab eae eah eai ear eau eba ebb ebe ebh ebi ebr ebu eby eea eeb eee eer eey eha ehb ehe ehh ehi ehr ehu eia eib eie eii eir eiu era erb ere erh eri err eru ery eu- eua eub eue eui eur eya eye eyr h-i haa hab hae hah hai har hau hay hba hbb hbe hbh hbi hbr hbu hby he- hea heb hee heh hei her heu hey hha hhb hhe hhh hhi hhr hhu hhy hia hib hie hih hii hir hiu hr- hra hrb hre hrh hri hrr hru hua hub hue huh hui hur huu huy hy- hya hyb hye hyh hyi hyr hyy ia- iaa iab iae iah iai iar iau iba ibb ibe ibh ibi ibr ibu iby ie- iea iee iei ier iey iha ihb ihe ihh ihi ihr ihu ihy iia iib iie iih iii iir iiu ir- ira irb ire iri irr iru iry iu- iua iub iue iui iur iya iye iyr iyy ra- raa rab rae rah rai rar rau ray rba rbb rbe rbh rbi rbr rbu re- rea reb ree reh rei rer reu rey rh- rha rhb rhe rhh rhi rhr rhu ria rib rie rih rii rir riy rra rrb rrh rri rrr rru rua rub rue ruh rui rur ruu ruy ry- rya rye ryr ryu ryy ua- uaa uab uae uah uai uar uau uay uba ubb ube ubh ubi ubr ubu uby uea ueb uee ueh uei uer uey uha uhb uhe uhh uhi uhr uhu uhy uia uib uie uii uir uiu ur- ura urb ure uri urr uru ury uua uue uur uuu uyi uyu yaa yab yae yah yai yar yau yay ybe ybi ybr yby yea yeb yee yeh yei yer yey yha yhe yhi yhu yie yih yii yir yra yre yru yua yue yuh yui yur yuu yuy yyb yye yyu yyy