a-a a-b a-i a-q aaa aab aad aai aaq aar ab- aba abb abd abi abq abr ad- ada adb add adi adq adr ai- aia aib aid aii aiq air aqa aqi aqr ar- ara arb ard ari arq arr baa bab bad bai baq bar bba bbb bbd bbi bbq bbr bda bdb bdd bdi bdq bdr bi- bia bib bid bii bir bqd bra brb brd bri brq brr daa dab dad dai daq dar dba dbb dbd dbi dbq dbr dda ddb ddd ddi ddq ddr di- dia dib did dii diq dir dqa dra drb drd dri drq drr i-d ia- iaa iab iad iai iaq iar iba ibb ibd ibi ibr ida idb idd idi idq idr iia iib iid iii iir iqa iqd ir- ira irb ird iri irq irr qaa qad qar qba qbd qbq qda qdb qdr qid qir qqq qra qrb qri ra- raa rab rad rai raq rar rba rbb rbd rbi rbr rda rdb rdd rdi rdr ria rib rid rii riq rir rra rrb rrd rri rrq rrr