-er a-a a-b a-i a-q aaa aab aad aae aai aak aaq aar aau ab- aba abb abd abe abi abk abq abr abu ad- ada adb add ade adi adk adq adr adu aea aeb aed aee aei aek aeq aer aeu ai- aia aib aid aie aii aik aiq air aiu aka akb akd ake aki akk akr aku aqa aqi aqr ar- ara arb ard are ari ark arq arr aru au- aua aub aud aue aui auk aur b-u baa bab bad bae bai bak baq bar bau bba bbb bbd bbe bbi bbk bbq bbr bbu bda bdb bdd bde bdi bdk bdq bdr bdu be- bea beb bed bee bei bek beq ber beu bi- bia bib bid bie bii bik bir biu bka bkb bke bkk bkq bkr bqd bqe bra brb brd bre bri brk brq brr bru bua bub bud bue bui buk bur buu daa dab dad dae dai dak daq dar dau dba dbb dbd dbe dbi dbk dbq dbr dbu dda ddb ddd dde ddi ddk ddq ddr ddu de- dea deb ded dee dei dek deq der deu di- dia dib did die dii dik diq dir diu dka dkb dke dki dkk dkr dku dqa dqe dra drb drd dre dri drk drq drr dru dua dub dud due dui duk dur eaa eab ead eae eai eak ear eau eba ebb ebd ebe ebi ebk ebq ebr ebu ed- eda edb edd ede edi edk edr edu eea eeb eed eee eek eer eia eib eid eie eii eik eir eiu eka ekb ekd eke eki ekr eku eqa eqe eqq equ era erb erd ere eri erk erq err eru eu- eua eub eud eue eui eur i-d ia- iaa iab iad iae iai iaq iar iau iba ibb ibd ibe ibi ibk ibr ibu ida idb idd ide idi idk idq idr idu ie- iea ied iee iei iek ier iia iib iid iie iii iir iiu ika ikb ike iki ikk ikr iku iqa iqd iqe iqu ir- ira irb ird ire iri irk irq irr iru iu- iua iub iud iue iui iur ka- kaa kab kad kae kai kak kar kau kba kbb kbd kbe kbi kbk kbr kbu kda kdb kde kdk kdr kdu ke- kea keb ked kee kei kek ker kia kib kid kie kii kik kir kiu kkb kke kki kkk kkr kku kqa kra krd kri krk krr kru kub kud kue kui kuk kur kuu qaa qad qar qau qba qbd qbe qbq qda qdb qdr qed qee qid qie qik qir qiu qki qqk qqq qqu qra qrb qre qri qru qu- qua qud que qui qur ra- raa rab rad rae rai rak raq rar rau rba rbb rbd rbe rbi rbk rbr rbu rda rdb rdd rde rdi rdr rdu re- rea reb red ree rei rek req rer reu ria rib rid rie rii rik riq rir rkb rke rkk rku rra rrb rrd rri rrk rrq rrr rru rua rub rud rue rui ruk rur ruu ua- uaa uab uad uae uai uak uaq uar uau uba ubb ube ubi ubk ubr ubu uda udb udd ude udi udk udr udu uea ueb ued uee uei uer uia uib uid uie uii uiq uir uiu uka ukb uke uki ukk ukr uku ur- ura urb urd ure uri urk urr uru uua uue uur uuu