-er a-a a-b a-i aaa aab aad aae aah aai aak aar aau ab- aba abb abd abe abh abi abk abr abu ad- ada adb add ade adh adi adk adr adu aea aeb aed aee aeh aei aek aer aeu aha ahb ahd ahe ahh ahi ahk ahr ahu ai- aia aib aid aie aih aii aik air aiu aka akb akd ake akh aki akk akr aku ar- ara arb ard are arh ari ark arr aru au- aua aub aud aue auh aui auk aur b-u baa bab bad bae bah bai bak bar bau bba bbb bbd bbe bbh bbi bbk bbr bbu bda bdb bdd bde bdh bdi bdk bdr bdu be- bea beb bed bee beh bei bek ber beu bha bhb bhd bhe bhh bhi bhk bhr bhu bi- bia bib bid bie bih bii bik bir biu bka bkb bke bkk bkr bra brb brd bre brh bri brk brr bru bua bub bud bue buh bui buk bur buu daa dab dad dae dah dai dak dar dau dba dbb dbd dbe dbh dbi dbk dbr dbu dda ddb ddd dde ddh ddi ddk ddr ddu de- dea deb ded dee deh dei dek der deu dh- dha dhb dhd dhe dhh dhi dhk dhr dhu di- dia dib did die dih dii dik dir diu dka dkb dke dki dkk dkr dku dra drb drd dre dri drk drr dru dua dub dud due duh dui duk dur eaa eab ead eae eah eai eak ear eau eba ebb ebd ebe ebh ebi ebk ebr ebu ed- eda edb edd ede edh edi edk edr edu eea eeb eed eee eek eer eha ehb ehd ehe ehh ehi ehr ehu eia eib eid eie eii eik eir eiu eka ekb ekd eke ekh eki ekr eku era erb erd ere erh eri erk err eru eu- eua eub eud eue eui eur h-i haa hab had hae hah hai hak har hau hba hbb hbd hbe hbh hbi hbk hbr hbu hda hdb hdd hde hdh hdi hdk hdr hdu he- hea heb hed hee heh hei hek her heu hha hhb hhd hhe hhh hhi hhk hhr hhu hia hib hid hie hih hii hik hir hiu hka hkb hkd hkh hki hkk hkr hku hr- hra hrb hrd hre hrh hri hrk hrr hru hua hub hud hue huh hui huk hur huu i-d ia- iaa iab iad iae iah iai iar iau iba ibb ibd ibe ibh ibi ibk ibr ibu ida idb idd ide idh idi idk idr idu ie- iea ied iee iei iek ier iha ihb ihd ihe ihh ihi ihk ihr ihu iia iib iid iie iih iii iir iiu ika ikb ike iki ikk ikr iku ir- ira irb ird ire iri irk irr iru iu- iua iub iud iue iui iur ka- kaa kab kad kae kah kai kak kar kau kba kbb kbd kbe kbh kbi kbk kbr kbu kda kdb kde kdh kdk kdr kdu ke- kea keb ked kee keh kei kek ker kha khe khh khi khk khr khu kia kib kid kie kih kii kik kir kiu kkb kke kkh kki kkk kkr kku kra krd kri krk krr kru kub kud kue kuh kui kuk kur kuu ra- raa rab rad rae rah rai rak rar rau rba rbb rbd rbe rbh rbi rbk rbr rbu rda rdb rdd rde rdh rdi rdr rdu re- rea reb red ree reh rei rek rer reu rh- rha rhb rhd rhe rhh rhi rhr rhu ria rib rid rie rih rii rik rir rkb rke rkk rku rra rrb rrd rrh rri rrk rrr rru rua rub rud rue ruh rui ruk rur ruu ua- uaa uab uad uae uah uai uak uar uau uba ubb ube ubh ubi ubk ubr ubu uda udb udd ude udi udk udr udu uea ueb ued uee ueh uei uer uha uhb uhd uhe uhh uhi uhr uhu uia uib uid uie uii uir uiu uka ukb uke uki ukk ukr uku ur- ura urb urd ure uri urk urr uru uua uue uur uuu