rar rat rau rba rbb rbc rbd rbe rbl rbo rbp rbr rbt rbu rca rcb rcc rcd rce rcl rco rcp rcr rct rcu rda rdb rdc rdd rde rdl rdo rdp rdr rdt rdu re- rea reb rec red ree rel reo rep rer ret reu rla rlc rld rle rll rlo rlp rlr rlt rlu roa rob roc rod roe rol roo rop ror rot rou rpa rpb rpc rpd rpe rpl rpo rpp rpr rpt rpu rra rrb rrc rrd rrl rrp rrr rrt rru rta rtb rtc rtd rte rtl rto rtp rtr rtt rtu rua rub ruc rud rue ruo rup rur rut ruu taa tab tac tad tae tal tao tap tar tat tau tba tbb tbc tbd tbe tbl tbo tbp tbr tbt tbu tca tcb tcc tcd tce tcl tco tcp tcr tct tcu tda tdb tdc tdd tde tdl tdo tdp tdr tdt tdu te- tea teb tec ted tee tel teo tep ter tet teu tla tlc tld tle tll tlo tlp tlr tlt tlu to- toa tob toc tod toe tol too top tor tot tou tpa tpb tpc tpd tpe tpl tpo tpp tpr tpt tpu tra trb trc trd tre trl tro trp trr trt tru tta ttb ttc ttd tte ttl tto ttp ttr ttt ttu tua tub tuc tud tue tul tuo tup tur tut tuu ua- uaa uab uac uad uae ual uao uap uar uat uau uba ubb ubc ube ubl ubo ubp ubr ubt ubu uca ucb ucc ucd uce ucl uco ucp ucr uct ucu uda udb udc udd ude udl udo udp udr udt udu uea ueb uec ued uee uel uep uer uet ula ulb ulc uld ule ull ulo ulp ulr ult ulu uoa uob uoc uod uoe uol uoo uop uor uot up- upa upb upc upd upe upo upp upr upt upu ur- ura urb urc urd ure url uro urp urr urt uru uta utb utc utd ute utl uto utp utr utt utu uua uuc uue uur uut uuu

a-be a-do aaaa aaab aaac aaad aaae aaal aaap aaar aaba aabb aabc aabd aabl aabp aabt aaca aacb aacc aacd aace aacl aaco aacp aacr aact aacu aada aadc aade aadt aadu aaea aaec aaep aala aalc aald aale aall aalo aalu aaoe aaoo aapa aapc aapl aapo aapt aara aarc aard aare aaro aarp aart aaru aata aatc aatt aaup abaa abab abac abad abae abal abap abar abat abau abb- abba abbb abbe abbo abbr abbt abca abcb abcc abcd abcl abcp abcr abct abda abdo abdu abec abed abee abel aber abet abla able ablo aboa abob abod abol aboo abor abot abou abpa abpc abpd abpp abpr abra abrc abro abta abtu abua abud abue abul abut ac-t acaa acab acac acad acae acap acar acat acba acbl acca accc accd acce acco accp acct accu acda acdb acdc acde acdp acdt ace- acea acec aced acel acer acet acla aclc acle aclr aclu acoa acod acoe acol acop acor acot acou acpa acpd acpe acpr acpt acpu acr- acra acrc acre acro acrr acta actc acte actl acto actt actu acu- acue acul acuo acup acur acut adaa adab adac adad adae adal adao adap adar adat adba adbc adcc adda addc addd adde addl addo addr addu adea adeb adee adel adeo ader adet adle adob adoc adod adoe adoo ador adot adp- adra adre adro adta adua adub adue adur aeac aeap aecb aecl aect aede aedt aeer aela aelc aelp aer- aera aerc aerd aero aeta aetc aeto aetr aett al-p alaa alac alad alae alal alao alap alar alat alau alb- alba albc albe albo albu alca alcc alce alco ald- alda alde aldl aldo alea alec aled alee aleo alep aler alet aleu all- alla alle alll allo allr allu aloa aloc alod aloe alol aloo alop alor alot alou alpa alpe alpl alpo alpu alro alta alte alto alua alur alut aoba aoca aoce aoeu aola aole aopo aora aorb aort aotc aotd aoul aout apac apal apao apap apar apat apba apbr apca apcb apcc apcd apco apcr apda apdd apdu apea apec aped apel apep aper apet apeu apl- apla aple aplp aplu apo- apoc apod apoe apoo apop apor apot apou appa appc appd appl appr appt appu apra aprc apre apro aprt apta aptc apte aptt apua apuc apud apup arab arac arad arae aral arap arar arat arau arba arbe arc- arca arce arco arct arda ardc arde ardl ardo ardu area arec ared aree arel areo arep aret areu arla arle arlo aroa arob arod aroe aroo aror arpa arpe arpl arpu arr- arra arrc arre arro arrr arrt arru arta artc arte arto artr arua arub arud arue arul arup arut at-l at-t ataa atab atac atad atae atal atap atar atat atca atcc atcl atco atcr atdt atea atec ated atee atel ateo atep ater atla atle atlo atob atoc atod atoe atol atop ator atot atpr atra atrc atre atro atrp atru atta atte atto attp attr attu atua atub atuc atul atur auaa aube auca auce aucp auct audc aude audo auel auer aul- aula auld aule aull aulo ault aulu auol aupc aur- aura aurd aure auro aut- aute auto baaa baad baal baar baat baba babb babe babo babr babu bac- baca bacc bace baco bact bada badb badd bade bado badr badu baed bael baer bala balc bald bale ball balo balt balu baol bapa bapc bape bapp bapt bapu bar- bara barb barc bard bare baro barr bart baru bata batc bate bato batt batu bau- baud baul baur bbad bbau bbbb bbdd bbdo bbeb bbet bblb bbpr bbrc bcaa bcap bcar bcat bcbc bcbp bcca bccc bccl bcda bcde bcec bcer bcet bcor bcpl bcpp bcra bcru bctc bcuc bcup bd-r bdbc bddc bdle bdpc bead beal beap bear beat beau beba bebb bebe bebo beca becu