-al -ol a-a a-b a-t aaa aab aad aaf aal aao aar aat ab- aba abb abd abf abl abo abr abt ad- ada adb add adf adl ado adr adt af- afa afb afd aff afl afo afr aft al- ala alb ald alf all alo alr alt aoa aob aod aof aol aoo aor aot ar- ara arb ard arf arl aro arr art at- ata atb atd atf atl ato atr att baa bab bad baf bal bao bar bat bba bbb bbd bbf bbl bbo bbr bbt bda bdb bdd bdf bdl bdo bdr bdt bfa bfb bfd bff bfl bfo bfr bft bla blb bld blf bll blo blr blt boa bob bod bof bol boo bor bot bra brb brd brf brl bro brr brt bta btb btd btf btl bto btr btt daa dab dad daf dal dao dar dat dba dbb dbd dbf dbl dbo dbr dbt dda ddb ddd ddf ddl ddo ddr ddt dfa dfb dfd dff dfl dfo dfr dft dl- dla dlb dld dlf dll dlo dlr dlt doa dob dod dof dol doo dor dot dra drb drd drl dro drr drt dta dtb dtd dtf dtl dto dtr dtt faa fab fad faf fal fao far fat fba fbb fbd fbf fbl fbo fbr fbt fda fdb fdd fdf fdl fdo fdr fdt ffa ffd fff ffl ffo ffr fft fla flb fld flf fll flo flr flt foa fob fof fol foo for fot fra frb frd frf frl fro frr frt fta ftb ftd ftf ftl fto ftr ftt la- laa lab lad laf lal lao lar lat lba lbb lbd lbf lbl lbo lbr lbt lda ldb ldd ldf ldl ldo ldr ldt lfa lfb lfd lff lfl lfo lfr lft lla llb lld llf lll llo llr llt loa lob lod lof lol loo lor lot lra lrb lrd lrf lro lrr lrt lta ltb ltd ltf ltl lto ltr ltt oaa oab oad oaf oal oao oar oat ob- oba obb obd obf obl obo obr obt oda odb odd odf odl odo odr odt of- ofa ofb ofd off ofl ofo ofr oft ola olb old olf oll olo olt oo- ooa oob ood oof ool ooo oor oot or- ora orb ord orf orl oro orr ort ot- ota otb otd otf otl oto otr ott ra- raa rab rad raf ral rao rar rat rba rbb rbd rbf rbl rbo rbr rbt rda rdb rdd rdf rdl rdo rdr rdt rfa rfb rfd rff rfl rfo rfr rft rla rld rlf rll rlo rlr rlt roa rob rod rof rol roo ror rot rra rrb rrd rrf rrl rrr rrt rta rtb rtd rtf rtl rto rtr rtt taa tab tad taf tal tao tar tat tba tbb tbd tbf tbl tbo tbr tbt tda tdb tdd tdf tdl tdo tdr tdt tfa tfb tfd tff tfl tfo tfr tft tla tld tlf tll tlo tlr tlt to- toa tob tod tof tol too tor tot tra trb trd trf trl tro trr trt tta ttb ttd ttf ttl tto ttr ttt

a-do aaaa aaab aaad aaaf aaal aaar aaba aabb aabd aabl aabt aada aadt aafa aafb aafd aaff aafl aala aald aall aalo aaoo aara aard aaro aart aata aatf aatt abaa abab abad abaf abal abar abat abb- abba abbb abbo abbr abbt abda abdo abff abla ablo aboa abob abod abof abol aboo abor abot abra abro abta adaa adab adad adal adao adar adat adba adda addd addl addo addr adfa adfl adob adod adoo ador adot adra adro adta afaa afad afao afar afat afdb afdl affa affo afft afla afoa afol afoo afor afr- afra afro afta alaa alad alal alao alar alat alb- alba albo ald- alda aldl aldo alfa all- alla alll allo allr aloa alod alof alol aloo alor alot alro alta alto aoba aola aora aorb aort aotd aotf arab arad araf aral arar arat arba arda ardf ardl ardo arfa arfb arff arft arla arlo aroa arob arod aroo aror arr- arra arro arrr arrt arta arto artr at-l at-t ataa atab atad atal atar atat atdt atfb atla atlo atob atod atof atol ator atot atra atro atta atto attr baaa baad baaf baal baar baat baba babb babo babr bada badb badd bado badr baff bafo baft bala bald balf ball balo balt baol bar- bara barb bard barf baro barr bart bata batf bato batt bbad bbbb bbdd bbdo bblb bd-r bffl bfta bftt blaa blab blad blat blbt bldr blob blod bloo blot boab boad boal boar boat boba bobb bobo boda bodb bodo bofa bofd boff bola bold boll bolo bolt boob bood boof bool boor boot bor- bora bord borf boro borr bort bota botb botd boto bott brab brad braf brao brat brda brdo brdt broa brob brod brol broo bror brot brrr btaa btaf btdt btla btob btor btrt bttb d-bo daab daad daal daar daba dabb dabo dabt dada dado dafa daff dafo daft dala dalf dall dalo dalt dara darb dard darf darl daro darr dart data dato datr datt dbar dbfo dbtt dddd ddot dfaf dfdt dffa dfrf dftr dlab dlbd doab doal doar doat doba dobb dobl dod- doda dodd dodo doff dola dold dolf doll dolo dolt doob dood doof dool door doot dora dord dorf doro dorr dort dota dotd doto dott draa drab drad draf drar drat drba drda drob drod drof drol drot drra dtaa dtla dtor dtot dtrl faaa faad faba fabd fabo fada fadd fado fafa faff fafo fala fald fall falo falt fara farb fard farl faro farr fart fata fatf fato fatt fbar fbla fdlr fdoa fdot fdtl ffar ffff ffrr fftf flab flad flao flat fldr flob flod floo flor flot foad foaf foal foar foba fobt foda fofo fola fold foll folo folr folt food foof fool foot for- fora forb ford forl foro