-al -ol a-a a-b a-i aaa aab aad aai aal aao aar aas aau ab- aba abb abd abi abl abo abr abs abu ad- ada adb add adi adl ado adr ads adu ai- aia aib aid aii ail aio air ais aiu al- ala alb ald ali all alo alr als alu aoa aob aod aoi aol aoo aor aos aou ar- ara arb ard ari arl aro arr ars aru as- asa asb asd asi asl aso asr ass asu au- aua aub aud aui aul auo aur aus b-u baa bab bad bai bal bao bar bas bau bba bbb bbd bbi bbl bbo bbr bbs bbu bda bdb bdd bdi bdl bdo bdr bds bdu bi- bia bib bid bii bil bio bir bis biu bla blb bld bli bll blo blr bls blu boa bob bod boi bol boo bor bos bou bra brb brd bri brl bro brr brs bru bsa bsb bsd bsi bsl bso bsr bss bsu bua bub bud bui bul buo bur bus buu daa dab dad dai dal dao dar das dau dba dbb dbd dbi dbl dbo dbr dbs dbu dda ddb ddd ddi ddl ddo ddr dds ddu di- dia dib did dii dil dio dir dis diu dl- dla dlb dld dli dll dlo dlr dls dlu doa dob dod doi dol doo dor dos dou dra drb drd dri drl dro drr drs dru dsa dsb dsd dsi dsl dso dsr dss dsu dua dub dud dui dul duo dur dus i-d ia- iaa iab iad iai ial iao iar ias iau iba ibb ibd ibi ibl ibo ibr ibs ibu ida idb idd idi idl ido idr ids idu iia iib iid iii iil iio iir iis iiu il- ila ilb ild ili ill ilo ilr ils ilu io- ioa iob iod ioi iol ioo ior ios iou ir- ira irb ird iri irl iro irr irs iru is- isa isb isd isi isl iso isr iss isu iu- iua iub iud iui iur ius la- laa lab lad lai lal lao lar las lau lba lbb lbd lbi lbl lbo lbr lbs lbu lda ldb ldd ldi ldl ldo ldr lds ldu lia lib lid lii lil lio lir lis liu lla llb lld lli lll llo llr lls llu loa lob lod loi lol loo lor los lou lra lrb lrd lri lro lrr lrs lru lsa lsb lsd lsi lsl lso lsr lss lsu lua lub lud lui lul luo lur lus luu o-i oaa oab oad oai oal oao oar oas oau ob- oba obb obd obi obl obo obr obs obu oda odb odd odi odl odo odr ods odu oia oib oid oii oil oio oir ois oiu ola olb old oli oll olo ols olu oo- ooa oob ood ooi ool ooo oor oos or- ora orb ord ori orl oro orr ors oru os- osa osb osd osi osl oso osr oss osu ou- oua oud oui oul ouo our ous ra- raa rab rad rai ral rao rar ras rau rba rbb rbd rbi rbl rbo rbr rbs rbu rda rdb rdd rdi rdl rdo rdr rds rdu ria rib rid rii ril rio rir ris rla rld rli rll rlo rlr rls rlu roa rob rod roi rol roo ror ros rou rra rrb rrd rri rrl rrr rrs rru rsa rsb rsd rsi rsl rso rsr rss rsu rua rub rud rui ruo rur rus ruu saa sab sad sai sal sao sar sas sau sba sbb sbd sbi sbl sbo sbr sbs sbu sda sdb sdd sdi sdl sdo sdr sds sdu sia sib sid sii sil sio sir sis siu sla slb sld sli sll slo slr sls slu soa sob sod soi sol soo sor sos sou sr- sra srb srd sri srl sro srr srs ss- ssa ssb ssd ssi ssl sso ssr sss ssu sua sub sud sui sul suo sur sus suu ua- uaa uab uad uai ual uao uar uas uau uba ubb ubi ubl ubo ubr ubs ubu uda udb udd udi udl udo udr uds udu uia uib uid uii uil uio uir uis uiu ula ulb uld uli ull ulo ulr uls ulu uoa uob uod uol uoo uor uos ur- ura urb urd uri url uro urr urs uru usa usb usd usi usl uso usr uss usu uua uur uus uuu