-al -er a-a a-b a-i aaa aab aae aag aai aal aar aau aav ab- aba abb abe abg abi abl abr abu abv aea aeb aee aeg aei ael aer aeu aev ag- aga agb age agg agi agl agr agu agv ai- aia aib aie aig aii ail air aiu aiv al- ala alb ale alg ali all alr alu alv ar- ara arb are arg ari arl arr aru arv au- aua aub aue aug aui aul aur auv av- ava avb ave avg avi avl avr avu b-u baa bab bae bag bai bal bar bau bav bba bbb bbe bbg bbi bbl bbr bbu be- bea beb bee beg bei bel ber beu bev bga bgb bge bgg bgi bgl bgr bgu bgv bi- bia bib bie big bii bil bir biu biv bla blb ble blg bli bll blr blu blv bra brb bre brg bri brl brr bru brv bua bub bue bug bui bul bur buu bva bvb bve bvg bvi bvl bvr bvu bvv eaa eab eae eag eai eal ear eau eav eba ebb ebe ebg ebi ebl ebr ebu ebv eea eeb eee eeg eel eer eev ega egb ege egg egi egl egr egu eia eib eie eig eii eil eir eiu eiv ela elb ele elg eli ell elr elu elv era erb ere erg eri erl err eru erv eu- eua eub eue eug eui eul eur euv eva evb eve evg evi evl evr evv gaa gab gae gag gai gal gar gau gav gba gbe gbg gbi gbl gbr gbu gbv ge- gea geb gee geg gei gel ger geu gev gga ggb ggg ggi ggr ggu ggv gia gib gie gig gii gil gir giu giv gla glb gle glg gli gll glr glu glv gra grb gre grg gri grl grr gru grv gu- gua gub gue gug gui gul gur guu guv gva gvb gve gvg gvi gvl gvr gvu i-v ia- iaa iab iae iag iai ial iar iau iav iba ibb ibe ibg ibi ibl ibr ibu ibv ie- iea iee ieg iei iel ier iev iga igb ige igg igi igl igr igu iia iib iie iii iil iir iiu il- ila ilb ile ilg ili ill ilr ilu ilv ir- ira irb ire irg iri irl irr iru irv iu- iua iub iue iug iui iur iva ivb ive ivg ivi ivl ivr ivu ivv la- laa lab lae lag lai lal lar lau lav lba lbb lbe lbg lbi lbl lbr lbu lbv lea leb lee leg lei lel ler leu lev lga lgb lge lgg lgi lgl lgr lgu lgv lia lib lie lig lii lil lir liu liv lla llb lle llg lli lll llr llu llv lra lrb lrg lri lrr lru lrv lua lub lue lug lui lul lur luu luv lva lvb lve lvg lvi lvl lvr lvv ra- raa rab rae rag rai ral rar rau rav rba rbb rbe rbg rbi rbl rbr rbu re- rea reb ree reg rei rel rer reu rev rga rgb rge rgg rgi rgr rgv ria rib rie rig rii ril rir riv rla rle rlg rli rll rlr rlu rra rrb rrg rri rrl rrr rru rua rub rue rug rui rur ruu ruv rva rvb rve rvg rvi rvl rvr rvu rvv ua- uaa uab uae uag uai ual uar uau uav uba ubb ube ubg ubi ubl ubr ubu ubv uea ueb uee ueg uei uel uer uga ugb uge ugg ugi ugl ugr ugu uia uib uie uig uii uil uir uiu ula ulb ule ulg uli ull ulr ulu ulv ur- ura urb ure urg uri url urr uru uua uue uug uur uuu uva uvb uve uvl uvu uvv v-a v-e vaa vab vae vag vai val var vau vav vba vbg vbi vbl vbr vbv vea veb vee veg vei vel ver veu vga vgg vgl vgr vgu vi- via vib vie vig vii vil vir viu viv vl- vla vlb vle vll vlv vra vrb vre vrg vri vrr vru vue vug vul vur vuv vva vvb vvg vvi vvr vvv