-al -ol a-a a-b a-t aaa aab aad aaf aal aao aar aat aau ab- aba abb abd abf abl abo abr abt abu ad- ada adb add adf adl ado adr adt adu af- afa afb afd aff afl afo afr aft afu al- ala alb ald alf all alo alr alt alu aoa aob aod aof aol aoo aor aot aou ar- ara arb ard arf arl aro arr art aru at- ata atb atd atf atl ato atr att atu au- aua aub aud auf aul auo aur aut b-u baa bab bad baf bal bao bar bat bau bba bbb bbd bbf bbl bbo bbr bbt bbu bda bdb bdd bdf bdl bdo bdr bdt bdu bfa bfb bfd bff bfl bfo bfr bft bfu bla blb bld blf bll blo blr blt blu boa bob bod bof bol boo bor bot bou bra brb brd brf brl bro brr brt bru bta btb btd btf btl bto btr btt btu bua bub bud buf bul buo bur but buu daa dab dad daf dal dao dar dat dau dba dbb dbd dbf dbl dbo dbr dbt dbu dda ddb ddd ddf ddl ddo ddr ddt ddu dfa dfb dfd dff dfl dfo dfr dft dfu dl- dla dlb dld dlf dll dlo dlr dlt dlu doa dob dod dof dol doo dor dot dou dra drb drd drl dro drr drt dru dta dtb dtd dtf dtl dto dtr dtt dtu dua dub dud duf dul duo dur dut faa fab fad faf fal fao far fat fau fba fbb fbd fbf fbl fbo fbr fbt fbu fda fdb fdd fdf fdl fdo fdr fdt fdu ffa ffd fff ffl ffo ffr fft ffu fla flb fld flf fll flo flr flt flu foa fob fof fol foo for fot fou fra frb frd frf frl fro frr frt fru fta ftb ftd ftf ftl fto ftr ftt ftu fua fub fud fuf ful fuo fur fut fuu la- laa lab lad laf lal lao lar lat lau lba lbb lbd lbf lbl lbo lbr lbt lbu lda ldb ldd ldf ldl ldo ldr ldt ldu lfa lfb lfd lff lfl lfo lfr lft lfu lla llb lld llf lll llo llr llt llu loa lob lod lof lol loo lor lot lou lra lrb lrd lrf lro lrr lrt lru lta ltb ltd ltf ltl lto ltr ltt ltu lua lub lud luf lul luo lur lut luu oaa oab oad oaf oal oao oar oat oau ob- oba obb obd obf obl obo obr obt obu oda odb odd odf odl odo odr odt odu of- ofa ofb ofd off ofl ofo ofr oft ofu ola olb old olf oll olo olt olu oo- ooa oob ood oof ool ooo oor oot or- ora orb ord orf orl oro orr ort oru ot- ota otb otd otf otl oto otr ott otu ou- oua oud ouf oul ouo our out ra- raa rab rad raf ral rao rar rat rau rba rbb rbd rbf rbl rbo rbr rbt rbu rda rdb rdd rdf rdl rdo rdr rdt rdu rfa rfb rfd rff rfl rfo rfr rft rfu rla rld rlf rll rlo rlr rlt rlu roa rob rod rof rol roo ror rot rou rra rrb rrd rrf rrl rrr rrt rru rta rtb rtd rtf rtl rto rtr rtt rtu rua rub rud ruf ruo rur rut ruu taa tab tad taf tal tao tar tat tau tba tbb tbd tbf tbl tbo tbr tbt tbu tda tdb tdd tdf tdl tdo tdr tdt tdu tfa tfb tfd tff tfl tfo tfr tft tfu tla tld tlf tll tlo tlr tlt tlu to- toa tob tod tof tol too tor tot tou tra trb trd trf trl tro trr trt tru tta ttb ttd ttf ttl tto ttr ttt ttu tua tub tud tuf tul tuo tur tut tuu ua- uaa uab uad uaf ual uao uar uat uau uba ubb ubf ubl ubo ubr ubt ubu uda udb udd udf udl udo udr udt udu ufa ufd uff ufl ufo ufr uft ufu ula ulb uld ulf ull ulo ulr ult ulu uoa uob uod uol uoo uor uot ur- ura urb urd urf url uro urr urt uru uta utb utd utf utl uto utr utt utu uua uur uut uuu

a-do a-fu aaaa aaab aaad aaaf aaal aaar aaba aabb aabd aabl aabt aada aadt aadu aafa aafb aafd aaff aafl aala aald aall aalo aalu aaoo aara aard aaro aart aaru aata aatf aatt abaa abab abad abaf abal abar abat abau abb- abba abbb abbo abbr abbt abda abdo abdu abff abla ablo aboa abob abod abof abol aboo abor abot abou abra abro abta abtu abua abud abuf abul abut adaa adab adad adal adao adar adat adba adda addd addl addo addr addu adfa adfl adob adod adoo ador adot adra adro adta adua adub adur afaa afad afao afar afat afdb afdl affa affo afft afla afoa afol afoo afor afr- afra afro afru afta afua afud alaa alad alal alao alar alat alau alb- alba albo albu ald- alda aldl aldo alfa all- alla alll allo allr allu aloa alod alof alol aloo alor alot alou alro alta alto alua aluf alur alut aoba aola aora aorb aort aotd aotf aouf aoul aout arab arad araf aral arar arat arau arba arda ardf ardl ardo ardu arfa arfb arff arft arfu arla arlo aroa arob arod aroo aror arr- arra arro arrr arrt arru arta arto artr arua arub arud arul arut at-l at-t ataa atab atad atal atar atat atdt atfb atla atlo atob atod atof atol ator atot atra atro atru atta atto attr attu atua atub atul atur auaa audo aul- aula auld aulf aull aulo ault aulu auol aur- aura aurd auro aut- auto baaa baad baaf baal baar baat baba babb babo babr babu bada badb badd bado