-er a-a a-b a-i aaa aab aae aaf aai aar aav ab- aba abb abe abf abi abr abv aea aeb aee aef aei aer aev af- afa afb afe aff afi afr afv ai- aia aib aie aif aii air aiv ar- ara arb are arf ari arr arv av- ava avb ave avf avi avr baa bab bae baf bai bar bav bba bbb bbe bbf bbi bbr be- bea beb bee bef bei ber bev bfa bfb bfe bff bfi bfr bfv bi- bia bib bie bif bii bir biv bra brb bre brf bri brr brv bva bvb bve bvi bvr bvv eaa eab eae eaf eai ear eav eba ebb ebe ebf ebi ebr ebv eea eeb eee eef eer eev ef- efa efb efe eff efi efr eia eib eie eif eii eir eiv era erb ere erf eri err erv eva evb eve evf evi evr evv faa fab fae faf fai far fav fba fbb fbe fbf fbi fbr fea feb fee fef fei fer fev ffa ffe fff ffi ffr ffv fia fib fie fif fii fir fra frb fre frf fri frr fva i-f i-v ia- iaa iab iae iaf iai iar iav iba ibb ibe ibf ibi ibr ibv ie- iea iee ief iei ier iev ifa ifb ife iff ifi ifr iia iib iie iif iii iir ir- ira irb ire irf iri irr irv iva ivb ive ivf ivi ivr ivv ra- raa rab rae raf rai rar rav rba rbb rbe rbf rbi rbr re- rea reb ree ref rei rer rev rfa rfb rfe rff rfi rfr rfv ria rib rie rif rii rir riv rra rrb rrf rri rrr rva rvb rve rvf rvi rvr rvv v-a v-e vaa vab vae vai var vav vba vbi vbr vbv vea veb vee vef vei ver vfa vfb vff vfi vfr vfv vi- via vib vie vif vii vir viv vra vrb vre vrf vri vrr vva vvb vvi vvr vvv

a-be a-ii a-iv aaaa aaab aaae aaaf aaai aaar aaav aaba aabb aabi aaea aaev aafa aafb aaff aafi aaib aaii aara aare aari aava abaa abab abae abaf abai abar abb- abba abbb abbe abbi abbr abee aber abff abia abib abie abir abra abri abva aeaf aebi aeer aer- aera aeri aeva afaa afar afee afer affa affi afia afib afif afir afr- afra afre afri aiai aiba aiea aiee aiff aifv aiia aiib aiir aira aire airi aiva arab arae araf arai arar arba arbe arbi area aree aref arei arev arfa arfb arff aria arib arie arif arii arr- arra arre arri arrr arva arve arvi avab avar avea aver avia avie aviv avra avre avri avva ba-i baaa baaf baar baba babb babe babi babr baer baff baia baib baie bair bar- bara barb bare barf bari barr bava bave bavi bbbb bbeb beaf bear beav beba bebb bebe bebi beeb beef beer befa befe beff beia beir bera bere beri berr biaf biar biba bibb bibe bibi bieb bief bier bifa biff bifi bira birb bire biri birr bive bivi brab brae braf brai brav brea breb bree bref brei brer brev bria brie brrr brvi eaaf eaba eafb eaif eara earb eare eave ebba ebbr eber eeea eeee eefa eefe eera eeva efab efbr effa effi eiei eier eira eire eraf erba erbb erbe ereb erei erer erev eria erie erra erre erve ervi evae evar evea ever evia evie evir evra evre faaa faba fabe fabi faeb fafa fafe faff fafi faie fair fara farb fare farr fava fave favi fbar feaf fear feba feeb feer fefe feff fefi feia feie feir fera ferb fere ferr ferv feve fevr ffar ffee ffff ffii ffrr fiaa fiaf fiar fiba fibe fief fier fifa fife fiff fifi fiii fira fire fivb five fr-v frab frae frea free frei fria frib frie i-be iaaa iaai iaba iaea iafe iaff iaia iara iare iava ibar ibea ibfi ibia ibie ibra ibri ieie iera iere ieri ieva ifaa ifae ifar ifbb ifer ifra ifrb ifrf ifri ifva iifa iiie iiii iira irae iraf irai irar irbe iree irer irfe iri- iria irie irra irre irri ivai ivar ivbv ivea iver ivie ivre raab raaf raba rabb rabe rabi raef raer rafa rafe raff rafi raia raie raif raii rair rara rarb rare rarf rari rava rave ravi rbaf rbbb rbbr rea- reae reaf rear reba rebb rebe reeb reef reev refe reff refi refr reia reif reii reir rera rere reri reva reve revi rfae rfef riaa riab riai rib- riba ribe rief rier rifa rife riff riia riif rire riri riva rive rrif rrrr rver vaar vafa vaia vaie vair vara vare varf vari varr vava vear veba veer vefa veia veie veii veir ver- vera verb vere veri veve vevi vfib viae viar vibe vier vife viff viii vira virb vire viri virr viva vive vivi vrai vrav vrba vref vria vver vvvv

-aaa- a-fib a-iii a-vie aaaai aaaee aabaa aabba aabra aaeaf aaeri aafir aaiib aaria abaab ababa ababe abaer abaia abaie abair abara abare abari abava abave abbai abbar abbia abbie abear abeba abebe abeer abeie abera abere aberr abfab abira abrar aeaea aebbe aeri- aeria aerie aerva afair afara afare afari afear afefe afeir afere affer affif afief afifa afife afire afive afree aiaff aiaia aibar aibre aifar aife airai airba airer aivar aiver ar-ab arab- araba arabe arabi araea araia araie arara arare arari arava arave arbab arbar arbee arber arbia arbib arbir arbre areae arear areef areia arere areva arfe ariab aribe arire arive arrai arrea arria arrie arvar avafi avai avair avara avare avari avber avebe aveer aveia aver- avera averb averi aveva aveve aviar avifi avira avire aviva avree avvir baabe baari baava babai babar babee baber babia babie babra baffa baffi bafia bafra baiae baiba baier baira baire baraa barab barai barar barba barbe barbi barea barei barer barff barfi bari- baria