-al -ol a-a a-b a-t aaa aab aaf aag aal aao aar aat aau ab- aba abb abf abg abl abo abr abt abu af- afa afb aff afg afl afo afr aft afu ag- aga agb agf agg agl ago agr agt agu al- ala alb alf alg all alo alr alt alu aoa aob aof aog aol aoo aor aot aou ar- ara arb arf arg arl aro arr art aru at- ata atb atf atg atl ato atr att atu au- aua aub auf aug aul auo aur aut b-u baa bab baf bag bal bao bar bat bau bba bbb bbf bbg bbl bbo bbr bbt bbu bfa bfb bff bfg bfl bfo bfr bft bfu bga bgb bgf bgg bgl bgo bgr bgt bgu bla blb blf blg bll blo blr blt blu boa bob bof bog bol boo bor bot bou bra brb brf brg brl bro brr brt bru bta btb btf btg btl bto btr btt btu bua bub buf bug bul buo bur but buu faa fab faf fag fal fao far fat fau fba fbb fbf fbg fbl fbo fbr fbt fbu ffa fff ffg ffl ffo ffr fft ffu fga fgb fgf fgg fgl fgr fgt fla flb flf flg fll flo flr flt flu foa fob fof fog fol foo for fot fou fra frb frf frg frl fro frr frt fru fta ftb ftf ftg ftl fto ftr ftt ftu fua fub fuf fug ful fuo fur fut fuu gaa gab gaf gag gal gao gar gat gau gba gbf gbg gbl gbo gbr gbt gbu gfa gfb gff gfl gfo gfr gft gga ggb ggg ggo ggr ggt ggu gla glb glf glg gll glo glr glt glu goa gob gof gog gol goo gor got gou gra grb grf grg grl gro grr grt gru gta gtb gtf gtg gtl gto gtr gtt gtu gu- gua gub guf gug gul guo gur gut guu la- laa lab laf lag lal lao lar lat lau lba lbb lbf lbg lbl lbo lbr lbt lbu lfa lfb lff lfg lfl lfo lfr lft lfu lga lgb lgf lgg lgl lgo lgr lgt lgu lla llb llf llg lll llo llr llt llu loa lob lof log lol loo lor lot lou lra lrb lrf lrg lro lrr lrt lru lta ltb ltf ltg ltl lto ltr ltt ltu lua lub luf lug lul luo lur lut luu oaa oab oaf oag oal oao oar oat oau ob- oba obb obf obg obl obo obr obt obu of- ofa ofb off ofg ofl ofo ofr oft ofu oga ogf ogg ogl ogo ogt ola olb olf olg oll olo olt olu oo- ooa oob oof oog ool ooo oor oot or- ora orb orf org orl oro orr ort oru ot- ota otb otf otg otl oto otr ott otu ou- oua ouf oul ouo our out ra- raa rab raf rag ral rao rar rat rau rba rbb rbf rbg rbl rbo rbr rbt rbu rfa rfb rff rfg rfl rfo rfr rft rfu rga rgb rgf rgg rgo rgr rgt rla rlf rlg rll rlo rlr rlt rlu roa rob rof rog rol roo ror rot rou rra rrb rrf rrg rrl rrr rrt rru rta rtb rtf rtg rtl rto rtr rtt rtu rua rub ruf rug ruo rur rut ruu taa tab taf tag tal tao tar tat tau tba tbb tbf tbg tbl tbo tbr tbt tbu tfa tfb tff tfg tfl tfo tfr tft tfu tga tgb tgf tgg tgl tgo tgr tgt tgu tla tlf tlg tll tlo tlr tlt tlu to- toa tob tof tog tol too tor tot tou tra trb trf trg trl tro trr trt tru tta ttb ttf ttg ttl tto ttr ttt ttu tua tub tuf tug tul tuo tur tut tuu ua- uaa uab uaf uag ual uao uar uat uau uba ubb ubf ubg ubl ubo ubr ubt ubu ufa uff ufg ufl ufo ufr uft ufu uga ugb ugf ugg ugl ugo ugr ugt ugu ula ulb ulf ulg ull ulo ulr ult ulu uoa uob uog uol uoo uor uot ur- ura urb urf urg url uro urr urt uru uta utb utf utl uto utr utt utu uua uug uur uut uuu

a-fu aaaa aaab aaaf aaal aaar aaba aabb aabl aabt aafa aafb aaff aafl aala aall aalo aalu aaoo aara aaro aart aaru aata aatf aatt abaa abab abaf abag abal abar abat abau abb- abba abbb abbo abbr abbt abff abgl abla ablo aboa abob abof abol aboo abor abot abou abra abro abta abtu abua abuf abug abul abut afaa afao afar afat affa affo afft afgf afla aflg afoa afog afol afoo afor afr- afra afro afru afta afua ag-o agag agal agao agar agat agau agba agbo agfa agga aggu agla aglu agob agog agol agoo agot agou agra agrl agro agta agtr agua agul agur agut alaa alag alal alao alar alat alau alb- alba albo albu alfa alg- alga algo all- alla alll allo allr allu aloa alof alog alol aloo alor alot alou alro alta alto alua aluf alug alur alut aoba aola aora aorb aort aotf aouf aoul aout arab araf arag aral arar arat arau arba arfa arfb arff arft arfu arga argb argo arla arlo aroa arob aroo aror arr- arra arrg arro arrr arrt arru arta arto artr arua arub arug arul arut at-l at-t ataa atab atal atar atat atfb atgo atla atlo atob atof atol ator atot atra atro atru atta atto attr attu atua atub atug atul atur auaa auga aul- aula aulf aull aulo ault aulu auol aur- aura auro aut- auto auug baaa baaf baal baar baat baba babb babo babr babu baff bafo baft baga bagg bago bagt bala balf ball balo balt balu baol bar- bara barb barf barg baro barr bart baru bata batf bato batt batu bau- bauf