ob- oba obb obc obe obg obh obi obm obo obp obr oc- oca ocb occ ocg och oci ocm oco ocp ocr oea oeb oec oee oeg oeh oei oem oeo oep oer oga ogc oge ogg ogh ogi ogo ogp oha ohc ohe ohg ohh ohi ohm oho ohp ohr oia oib oic oie oii oim oio oip oir om- oma omb omc ome omg omh omi omm omo omp omr oo- ooa oob ooc oog ooh ooi oom ooo oop oor op- opa opb opc ope opg oph opi opm opo opp opr or- ora orb orc ore org orh ori orm oro orp orr p-p paa pab pac pae pag pah pai pam pao pap par pba pbb pbc pbe pbg pbi pbm pbo pbp pbr pca pcb pcc pce pcg pch pci pcm pco pcp pcr pea peb pec pee peg peh pei pem peo pep per pga pgb pgc pge pgg pgh pgi pgm pgo pgp pgr pha phb phc phe phg phi phm pho php phr pia pib pic pie pig pih pii pim pio pip pir pma pmb pmc pme pmg pmh pmi pmm pmo pmp pmr poa pob poc poe pog poh poi pom poo pop por ppa ppb ppc ppe ppg pph ppi ppm ppo ppp ppr pra prb prc pre prg prh pri prm pro prp prr ra- raa rab rac rae rag rah rai ram rao rap rar rba rbb rbc rbe rbg rbh rbi rbm rbo rbp rbr rca rcb rcc rce rcg rch rci rcm rco rcp rcr re- rea reb rec ree reg reh rei rem reo rep rer rga rgb rgc rge rgg rgh rgi rgo rgp rgr rh- rha rhb rhc rhe rhg rhh rhi rhm rho rhp rhr ria rib ric rie rig rih rii rim rio rip rir rma rmb rmc rme rmg rmh rmi rmm rmo rmp rmr roa rob roc roe rog roh roi rom roo rop ror rpa rpb rpc rpe rpg rph rpi rpm rpo rpp rpr rra rrb rrc rrg rrh rri rrm rrp rrr

a-be a-ha a-ii aaaa aaab aaac aaae aaah aaai aaam aaap aaar aaba aabb aabc aabh aabi aabm aabp aaca aacb aacc aace aach aaci aacm aaco aacp aacr aaea aaec aaem aaep aage aagh aaha aaib aaic aaii aama aamb aamc aame aami aamo aamp aamr aaoe aaoo aapa aapc aaph aapi aapm aapo aara aarc aare aari aarm aaro aarp abaa abab abac abae abag abai abam abap abar abb- abba abbb abbe abbi abbo abbr abca abcb abcc abch abci abcp abcr abec abee aber abha abhi abhm abho abhr abia abib abic abie abig abim abir abma abmb abmc aboa abob aboh aboo abor abpa abpc abpi abpm abpp abpr abra abrc abri abro acaa acab acac acae acag acai acap acar acba acca accc acce acch acci accm acco accp ace- acea acec aceh acem acer acga acgi acgr acha ache achh achi acho achp achr aci- acia acic acie acim acip acir acma acmc acme acmg acmh acmi acmp acoa acoe acog acoh acom acop acor acpa acpe acpi acpm acpr acr- acra acrc acre acri acrm acro acrr aeac aeap aebi aecb aeci aeer aega aeio aeom aer- aera aerc aeri aero ag-o agac agag agai agam agao agap agar agba agbo agca agcc agce agco agea agee agei agem agep ager agga agge aggi agha aghe agia agib agic agie agig agii agim agio agip agir agma agmc agme agob agog agoo agra agre agri agro agrp ahab ahac ahah ahai aham ahar ahem ahha ahio ahip ahir ahmc ahme ahoa ahoe ahog ahom ahop ahor ahra ahrc ahre ahrr aiai aiba aibo aica aicc aice aich aicp aicr aiea aiee aiga aigo aiha aiho aiia aiib aiic aiir aimc aime aimi aimm aimo aimp aioc aioi aipa aipe aiph aipi aira aire airh airi airo airp amaa amac amae amag amah amai amam amap amar amb- amba ambe ambi ambo ambr amca amcc amco amec amee amei amer amga amia amib amic amie amii amip amir amm- amma amme ammi ammo amob amoc amog amoi amoo amor ampa ampc ampe amph ampm ampo amra amrc amri amro aoah aoba aoca aoce aogm aoma aomg aopo aora aorb apac apah apai apam apao apap apar apba apbg apbr apca apcb apcc apcm apco apcr apea apec apeg apeh apem apep aper apga aph- apha aphc api- apia apic apie apig apim apio apip apma apo- apoc apoe apom apoo apop apor appa appc apph appr apra aprc apre apri apro arab arac arae arag arah arai aram arap arar arba arbe arbh arbi arc- arca arce arch arci arcm arco area arec aree areg areh arei arem areo arep arga argb arge argh argi argo arh- aria arib arie arig arii arim ario arip arma armc arme armh armi armm armo aroa arob aroe aroi arom aroo aror arpa arpe arpi arr- arra arrc arre arrg arrh arri arro arrr ba-i baaa baah baam baar baba babb babe babi babm babo babr bac- baca bacc bace bach baci baco baer baga bage bagg bagh bagi bago baha bahi baho bahr baia baib baic baie baig baio bair bama bamb bamc bame bami bamm bamp baoh bapa bapc bape bapi bapp bar- bara barb barc bare barg barh bari barm baro barr bbbb bbch bbci bbcm bbeb bbga bbgm bbmg bbpr bbrc bbrg bcaa bcam bcap bcar bcbc bcbg bcbp bcca bccc bcci bccm bcec bcer bche bcia bcie bcma bcmp bcor bcpp bcra beag beah beam beap bear beba bebb bebe bebi bebo beca bech beci beeb beeg beem beep beer bega begg begi bego behm behr beia beic beim beir bema beme beo- beor bepo bera berc bere berg beri berm bero berr bgca bgia bhag bhai bhao bhar bhca bhcc bher bhie bhim bhir bhog bhoi bhor bhra biao biap biar biba bibb bibe bibi bibo bica bicc bice bicg bich