tra trb trc tre trg tro trp trr trs trt tsa tsb tsc tse tsg tso tsp tsr tss tst tta ttb ttc tte ttg tto ttp ttr tts ttt

-ase -ose a-be aaaa aaab aaac aaae aaap aaar aaas aaba aabb aabc aabp aabt aaca aacb aacc aace aaco aacp aacr aacs aact aaea aaec aaep aaes aage aaoe aaoo aapa aapc aapo aaps aapt aara aarc aare aaro aarp aars aart aasa aasc aase aass aast aata aatc aatt abaa abab abac abae abag abap abar abas abat abb- abba abbb abbe abbo abbr abbs abbt abca abcb abcc abcp abcr abcs abct abec abee aber abes abet aboa abob aboo abor abos abot abpa abpc abpp abpr abps abra abrc abro abrs abs- absa abse absp abss abta abts ac-t acaa acab acac acae acag acap acar acas acat acba acca accc acce acco accp accs acct ace- acea acec acer aces acet acga acgr acgs acoa acoe acog acop acor acos acot acpa acpe acpr acps acpt acr- acra acrc acre acro acrr acrs acsa acsc acse acss acst acta actc acte actg acto acts actt aeac aeap aeas aebs aecb aect aeer aega aer- aera aerc aero aers aesc aess aest aeta aetc aeto aetr aett ag-o agac agag agao agap agar agas agat agba agbo agca agcc agce agco agct agea agee agep ager ages aget agga agge agob agog agoo agos agot agps agra agre agro agrp agsa agsg agst agta agte agtr agts aoba aoca aoce aocs aopo aora aorb aors aort aosp aoss aotc apac apao apap apar apas apat apba apbg apbr apbs apca apcb apcc apco apcr apcs apea apec apeg apep aper apes apet apga apo- apoc apoe apoo apop apor apos apot appa appc appr apps appt apra aprc apre apro aprs aprt apsa apse apso apss apta aptc apte apts aptt arab arac arae arag arap arar aras arat arba arbe arbs arc- arca arce arco arcs arct area arec aree areg areo arep ares aret arga argb arge argo args aroa arob aroe aroo aror aros arpa arpe arps arr- arra arrc arre arrg arro arrr arrs arrt ars- arsa arsc arse arso arst arta artc arte arto artr arts asaa asab asac asae asag asao asap asar asas asat asba asbo asc- asca ascb ascc asce asco ascp ascr asct asea asec asee asep aser ases aset asge asgp asgt asob asoc asog asop asor asos asot aspa aspc aspe aspo aspr asps aspt asra asrc asrg asro asrs assa assc asse asso assp assr asss asst asta astb astc aste asto astp astr asts at-t ataa atab atac atae atap atar atas atat atbs atca atcc atco atcr atcs atea atec atee ateo atep ater ates atgo atob atoc atoe atop ator atos atot atpr atra atrc atre atro atrp atsb atsc atse atst atta atte atto attp attr atts baaa baar baas baat baba babb babe babo babr babs bac- baca bacc bace baco bacs bact baer baes baga bage bagg bago bags bagt baos bapa bapc bape bapp baps bapt bar- bara barb barc bare barg baro barr bars bart basa basc base baso bass bast bata batc bate bato bats batt bbas bbbb bbbs bbeb bbet bbga bbpr bbrc bbrg bcaa bcap bcar bcas bcat bcbc bcbg bcbp bcbs bcca bccc bccs bcec bcer bces bcet bcgs bcor bcos bcpp bcps bcra bcrs bcsa bcsc bcss bctc bcts beag beap bear beas beat beba bebb bebe bebo beca becs beeb beeg beep beer bees beet bega begg bego begs beo- beor beos beot bepo bera berc bere berg bero berr bers bert bes- besa bese beso bess best beta betc bete beto bets bett bgca bggs bgst boab boac boag boar boas boat boba bobb bobe bobo bobs boca boce boco bocs boea boec boee boeo boep boer boes boet boga boge bogg bogo bogs bogt boob booc booe boog boop boor boos boot bopa bope bopp bops bor- bora bore borg boro borr bors bort bosa bosc bose boso boss bost bota botb bote boto bots bott bpcp bpea bpoe bpot bprc bpsa brab brac brae brag brao bras brat brca brcb brce brea breb brec bree breg breo brep brer bres bret broa brob broc broe brog broo bror bros brot brrr brrs brsb brsr brst brtc bsaa bsac bsap bsas bsat bscp bscs bsea bseb bsec bsee bseg bser bses bset bsgs bsos bspp bspr bsra bssc bsse bsts btaa btbp btcc btcs btec btob btor btps btrc btrt btss bttb c-bo caaa caab caac caap caas caat caba cabe cabg cabo cabs cac- caca cacc cace caco cacr caec caer caes caga cage cagg cago cagr cags caor caos capa capb capc cape capo capp caps capt cara carb carc care caro carp carr cars cart casa casb casc case caso casp casr cass cast cat- cata catb catc cate cato cats catt cbac cbar cbat cbbc cbbs cbca cbcc cbce cbcp cbcr cbcs cbct cbea cbec cbee cber cbet cbga cbgb cbot cbpc cbpp cbre cbrt cbsa cbsc cbse cbta cbtc ccaa ccab ccac ccag ccap ccar ccas ccat ccba ccbc ccca cccb cccc cccp cccs ccee ccga ccgc ccgs ccgt ccob ccoc ccpa ccpe ccpp ccpr ccps ccra ccrc ccre ccrg ccrp ccrs ccrt ccsa ccsg ccsp ccss ccst cctb cctc cctt ceac cear ceas ceat ceba cebp cebs cec- ceca cece ceco cecp cecs cect ceeb ceec cees cege cego ceop ceor ceos cepa cepc cepe cepo cepp cepr ceps cept cer- cera cerc cere cero cerp cers cert cesa cesc cese cesg cesp cesr cess cest cet- ceta cete ceto cetp cets cgac cgap cgas cgcc cgcg cger cges cggs cgro cgsb cgss cgst cgtp coag coas coat coba cobb cobe cobo cobs coca coce coco cocp coct coep coes cogo cogs coob coop coos coot copa cope copg copo copp copr cops copt cor- cora corb corc core corg coro corp